Licenses & Copyright
Understanding usage rights, attribution requirements, and licensing terms for Free Calculator Hub content and services.
Content License
All original content on Free Calculator Hub, including but not limited to calculator descriptions, educational articles, blog posts, FAQs, and instructional materials, is protected by copyright.
✅ Permitted Uses (Non-Commercial)
- • Personal use and reference
- • Educational purposes in schools and universities
- • Sharing excerpts with proper attribution
- • Non-profit organization use
- • Research and academic citations
❌ Prohibited Uses
- • Commercial redistribution without permission
- • Creating derivative works for commercial purposes
- • Republishing entire articles without attribution
- • Using content in competing calculator platforms
- • Removing or modifying copyright notices
Attribution Requirements
When sharing our content, please include:
© 2025 Free Calculator Hub. Used with permission.
Image & Visual Content License
Original images, formula diagrams, infographics, and visual content created by Free Calculator Hub are protected by copyright and subject to specific usage terms.
Formula Images & Diagrams
Mathematical formulas and educational diagrams may be used for educational purposes with proper attribution. Commercial use requires written permission.
Calculator Screenshots
Screenshots of our calculators may be used in reviews, tutorials, or educational content with attribution and link back to the original calculator.
⚠️ Third-Party Images
Some images may be licensed from third parties or used under fair use. These images are clearly marked and subject to their original licensing terms. Please verify permissions before reusing.
Calculator Code & Algorithms
The mathematical algorithms, calculator logic, and implementation code are proprietary to Free Calculator Hub and protected by copyright and trade secret laws.
Open Source Components
Our website utilizes various open source libraries and frameworks:
- • Next.js - MIT License
- • React - MIT License
- • Tailwind CSS - MIT License
- • Lucide Icons - ISC License
API & Data Usage
Access to Free Calculator Hub APIs and structured data is subject to rate limits and usage guidelines.
✅ Allowed API Usage
- • Personal projects and research
- • Educational applications
- • Non-commercial integrations
- • Reasonable rate limits respected
❌ Prohibited API Usage
- • Commercial resale of calculations
- • Excessive automated requests
- • Competing calculator services
- • Data scraping or harvesting
Commercial Licensing
Interested in using our content, images, or calculator algorithms for commercial purposes? We offer flexible licensing options for businesses, publishers, and commercial applications.
Content Licensing
Republish our articles, guides, and educational content
White Label Solutions
Integrate our calculators into your platform
DMCA & Copyright Claims
Free Calculator Hub respects intellectual property rights. If you believe any content on our site infringes your copyright, please contact us immediately.
Copyright Claims Process
- 1. Send written notice to our designated agent
- 2. Include specific identification of copyrighted work
- 3. Provide location of allegedly infringing material
- 4. Include your contact information and signature
- 5. State good faith belief that use is unauthorized
Designated Agent: legal@freecalculatorshub.com
© 2025 Free Calculator Hub. All rights reserved.
This license page was last updated on January 2025. We reserve the right to modify these terms at any time with notice.