The best way to reach us is by email: [email protected].
What to include
- The page URL you are writing about.
- A short description of the issue or question.
- If reporting a formula or calculator issue, include the values entered and the expected result.
Corrections and feedback
We review correction requests for formula accuracy, wording clarity, calculator behavior, and page usability. Educational content may be updated when a correction improves clarity or accuracy for students.
Advertising and privacy questions
For advertising, privacy, or data questions, include “Privacy” or “Advertising” in the email subject so the message can be routed appropriately.