Contact
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Send us a note at ojpzinho@gmail.com with as much detail as possible. We aim to reply within 2 business days.
Bug reports
If you found a calculation or UI issue, include your browser, device, and the exact inputs you used. Screenshots help us replicate and fix faster.
Partnerships
For coaching collaborations, content syndication, or advertising questions, email ojpzinho@gmail.com with “Partnership” in the subject.