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We'd Love to Hear From You
Have a question, suggestion, or feedback? Whether you've found a bug, want to request a new calculator, or just want to say hello, we're here to help!
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Frequently Asked Questions
Is CalcREX really free?
Yes! All 300+ calculators are completely free to use with no subscriptions or hidden fees.
Can I use CalcREX on my mobile device?
Absolutely! CalcREX is fully responsive and works perfectly on smartphones, tablets, and desktops.
Do I need to create an account?
No account needed! You can use all calculators instantly without any registration.
How accurate are the calculations?
All our calculators use standard formulas and are tested for accuracy. However, for critical decisions, always verify with a professional.
Can I suggest a new calculator?
Yes! We love hearing your ideas. Use the contact form above or email us at [email protected]
What if I find a bug or error?
Please report it! Use the bug report category in the form above or email [email protected] with details.
📬 Response Time
We typically respond to all inquiries within 24-48 hours during business days. For urgent technical issues, please mark your message as "Technical Support" and we'll prioritize it.