Have a question, found a mistake, or want a new calculator? Send us a message with the form below. We read every message and usually reply within 1–2 business days.
Reporting a wrong answer?
Please paste the exact function you typed, the limits or variable you chose, and the answer you expected. The fastest way is to press Share link on the calculator and paste that link in your message.
What You Can Contact Us About
- Calculator problems: a wrong result, an error message, or a function that will not work.
- Article corrections: a typo, a confusing step, or a math mistake.
- Requests: a new calculator or a topic you want explained.
- Teachers: ideas for classroom use, or permission questions.
Before You Write
Many questions are answered in our guides. Try how to use an antiderivative calculator or browse our calculus guides. You can also read about us and our editorial policy.