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Have questions? Need help? Want to suggest a feature? We're here for you!
❓ Frequently Asked Questions
How long does it take to get a response?
We typically respond to all inquiries within 24-48 hours. During peak times (exam seasons), it may take up to 72 hours.
Is your derivative calculator really free?
Yes! All our calculators, step-by-step solutions, and learning resources are 100% free forever. No hidden fees, no premium plans.
Can I suggest new calculator features?
Absolutely! We love hearing from our users. Use the contact form above and select "Feature Request" to share your ideas.
Do you offer tutoring or homework help?
We provide educational resources and calculators, but we don't offer direct tutoring services. However, our step-by-step solutions are designed to help you learn the concepts!
How do I report an incorrect calculation?
Please use the contact form with subject "Bug Report" and include: 1) The function you entered, 2) The result you got, 3) What you expected. We'll investigate immediately!
Can I use your calculators for exams?
Our calculators are designed for learning and practice. Whether you can use them in exams depends on your teacher's or institution's policy. Always check first!