What to include with a correction
- The exact page or calculator.
- The result or statement you believe is incorrect.
- The equipment manufacturer and model when relevant.
- The input values used.
- A manual, specification, label photo, or authoritative reference if available.
Commercial inquiries
Utility Math does not currently accept paid placement, sponsored rankings, or purchased reviews. Affiliate and commercial inquiries may be sent to affiliates@utilitymath.com. Future commercial relationships will be disclosed clearly.
Privacy
Privacy requests may be sent to privacy@utilitymath.com. Do not send passwords, payment details, utility-account credentials, or personal documents. Technical corrections rarely need personal information.