Contact channel
Email [email protected]. The mailbox is used for corrections, accessibility reports, game defects, privacy questions, security notices, and copyright or other rights concerns. Numeral Grove Learning LLC operates the service from New York, United States.
Corrections and factual questions
Identify the exact page URL, the statement or example in question, why it may be wrong, and a direct primary or authoritative source when available. Explain whether the issue changes the conclusion or only a minor detail. Editorial handling follows the Editorial and Corrections Policy.
Technical and accessibility reports
Include the page or game URL, device, operating system, browser and version, viewport or orientation, input method, assistive technology when relevant, expected behavior, observed behavior, and whether refresh or another browser changes the result. A screenshot is useful when it does not expose private information.
Privacy and data requests
Describe the browser or service behavior and the relevant date without sending passwords, precise location, payment details, school records, government documents, or another person’s sensitive information. The current site has no account database; local favorites and recent-game history can be cleared through browser site-data settings.
Copyright and rights reports
Follow the Copyright and Takedown page and identify the protected work, exact coolmath URL, material at issue, your relationship to the rights holder, and reliable evidence. Email the report to [email protected].
Response expectations
We do not publish a guaranteed response time. Clearly label urgent security or safety concerns in the subject line, and send follow-up context in the same email thread so the report can be reviewed as one record.