Corrections and feedback
For a calculation issue, include the calculator URL, the input units, and the expected behavior. Do not send passwords, payment-card numbers, private customer data, or confidential documents.
Safety and high-stakes decisions
NumberTrove tools are planning aids. For medical, tax, legal, electrical, structural, shipping-contract, or financial decisions, confirm the result with the qualified professional or authoritative provider responsible for the decision.
Partnerships and commercial requests
Commercial requests are reviewed separately from editorial recommendations. Partner placements remain disabled until disclosure, consent, measurement, maintenance, and rollback ownership are documented.