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Questions, feedback, tool suggestions or a problem with a result — we read everything.
The fastest way to reach us: rahmanidevloper@gmail.com. We usually reply within 48 hours.
Building a new calculator is quick for us. If you need a tool that is not on the tools list yet, email us the idea — useful suggestions often go live within a week.
If any calculator gives a result that looks wrong, please tell us the tool name, the inputs you used and the result you expected. Screenshots help. We fix verified bugs quickly.
For ad inquiries or partnerships, email the same address with "Advertising" in the subject line.