Last Updated: **16.12.2025**
By accessing and using www.qd-system.com (the "Service"), you agree to be bound by these Terms of Service ("Terms"). **If you do not agree, you may not use the Service.**
QD-System provides an online platform for performing engineering calculations and analysis.
⚠️ Critical Engineering Note:
The Service outputs are for **informational and preliminary design purposes only** and are not a substitute for professional engineering judgment, review, or licensed design work.
Account Responsibility:
You are responsible for maintaining the confidentiality of your account and for all activities under it.
User Data Ownership:
You retain ownership of the project-specific data you input into the Service. By submitting data, you grant QD-System a license to process it to provide the Service.
Output Ownership:
The reports, results, and outputs generated for you are owned by you. QD-System retains all rights to its software, algorithms, methodologies, and any aggregated, anonymized data derived from use of the Service.
The Service is provided **"as is" and "as available"** without warranties of any kind, including accuracy, fitness for a particular purpose, or non-infringement.
You are solely responsible for independently verifying and validating any calculation results before applying them to any real-world project. QD-System shall not be liable for any decisions made or actions taken based on the Service's outputs.
To the fullest extent permitted by law, QD-System's total liability shall be limited to the amount you paid for the Service in the past six months. QD-System shall not be liable for any indirect, incidental, special, consequential, or punitive damages.
You agree not to use the Service:
We may suspend or terminate your access to the Service for any breach of these Terms.
These Terms shall be governed by the laws of **[Your State/Country]**, without regard to its conflict of law principles.
For questions about these Terms, contact: