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Contact us
Found a wrong price, a bug, or have an idea for a new calculator? Send us an email:
We don't have a contact form on purpose: it would mean storing your details on our server. When you email us, we use your address only to reply, and we delete the conversation once your question is resolved.
Helpful to include
- Which calculator you used and the numbers you entered
- What result you expected and what you saw
- Your device and browser, if something looks broken
Please don't send personal details we don't need, like your home address or phone number.