Terms of Service
Please read these terms carefully before using our standard deviation calculator and website services.
Last updated: 9/17/2025
Agreement to Terms
Welcome to Standard Deviation Calculator. These Terms of Service ("Terms") govern your use of our website located at standarddeviationcalculator.app ("Service") operated by Standard Deviation Calculator ("us", "we", or "our").
By accessing or using our Service, you agree to be bound by these Terms. If you disagree with any part of these terms, then you may not access the Service.
Description of Service
Standard Deviation Calculator provides free online tools and educational resources for statistical analysis, including:
Calculator Tools
- • Standard deviation calculator
- • Variance calculator
- • Mean and statistical measures
- • Data visualization tools
Educational Content
- • Statistical tutorials and guides
- • Real-world examples and applications
- • Step-by-step calculation methods
- • Best practices for data analysis
Acceptable Use Policy
✅ Permitted Uses
- • Use our calculators for educational, academic, or professional purposes
- • Access and read our educational content
- • Contact us with questions or feedback
- • Subscribe to our newsletter for updates
- • Cite our tools in academic work with proper attribution
- • Share links to our website with others
❌ Prohibited Uses
- • Attempt to harm, disable, or overload our servers
- • Use automated systems to scrape or download content
- • Reverse engineer or attempt to access source code
- • Submit malicious code, viruses, or harmful content
- • Impersonate our service or create misleading derivative works
- • Use the service for any illegal or unauthorized purpose
- • Violate any applicable local, state, national, or international law
User Responsibilities
Data Accuracy
You are responsible for ensuring the accuracy of data you input into our calculators. While our tools perform accurate calculations, we cannot verify the correctness of your input data.
Professional Judgment
Our tools and educational content are for informational purposes. You should use your professional judgment and consult with qualified experts for critical decisions.
Contact Information
When contacting us, you agree to provide accurate information and communicate respectfully with our team and other users.
Intellectual Property Rights
Our Content
The Service and its original content, features, and functionality are and will remain the exclusive property of Standard Deviation Calculator and its licensors. The Service is protected by copyright, trademark, and other laws.
Your Usage Rights
We grant you a personal, non-commercial, non-exclusive, non-transferable, revocable license to:
- • Access and use our calculators for legitimate purposes
- • View and read our educational content
- • Cite our content in academic work with proper attribution
Attribution Requirements
When citing our calculators or content in academic or professional work, please use: "Standard Deviation Calculator, standarddeviationcalculator.app, accessed [date]."
Disclaimers and Limitations
Educational Purpose
Our calculators and educational content are provided for educational and informational purposes only. They should not be considered as professional statistical, mathematical, financial, or academic advice.
Accuracy
While we strive to provide accurate calculations and information, we make no warranties about the completeness, reliability, or accuracy of this information. Mathematical calculations are performed using standard formulas, but results should be verified for critical applications.
No Warranty
THE SERVICE IS PROVIDED ON AN "AS IS" AND "AS AVAILABLE" BASIS. WE MAKE NO REPRESENTATIONS OR WARRANTIES OF ANY KIND, EXPRESS OR IMPLIED, AS TO THE OPERATION OF THE SERVICE OR THE INFORMATION, CONTENT, MATERIALS, OR PRODUCTS INCLUDED ON THE SERVICE.
Limitation of Liability
TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL STANDARD DEVIATION CALCULATOR, ITS AFFILIATES, AGENTS, DIRECTORS, EMPLOYEES, SUPPLIERS, OR LICENSORS BE LIABLE FOR ANY INDIRECT, PUNITIVE, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR EXEMPLARY DAMAGES.
This includes, without limitation, damages for loss of profits, goodwill, use, data, or other intangible losses, arising out of or relating to your use of our Service.
Important: Some jurisdictions do not allow the exclusion or limitation of liability for consequential or incidental damages. In such jurisdictions, our liability is limited to the maximum extent permitted by law.
Privacy
Your privacy is important to us. Please review our Privacy Policy, which also governs your use of the Service, to understand our practices.
Key Privacy Points: We don't store your calculation data, all computations happen in your browser, and we collect minimal information necessary for service operation.
Termination
We may terminate or suspend your access immediately, without prior notice or liability, for any reason whatsoever, including without limitation if you breach the Terms.
Effect of Termination
Upon termination, your right to use the Service will cease immediately. However, since our calculators work locally in your browser, termination doesn't affect data you've already processed.
Governing Law
These Terms shall be interpreted and governed by the laws of the jurisdiction in which our service operates, without regard to its conflict of law provisions.
Our failure to enforce any right or provision of these Terms will not be considered a waiver of those rights.
Changes to Terms
We reserve the right, at our sole discretion, to modify or replace these Terms at any time.
Notification Process
- • We will update the "Last updated" date
- • Significant changes will be prominently posted on our website
- • Newsletter subscribers may receive email notifications
- • Continued use after changes constitutes acceptance
If a revision is material, we will try to provide at least 30 days notice prior to any new terms taking effect.
Contact Us
If you have any questions about these Terms of Service, please contact us:
Email: legal@standarddeviationcalculator.app
Contact Form: Use our contact form
Location: Shenzhen, China
Subject Line: Please include "Terms of Service" in your message subject
Questions Welcome: We're happy to clarify any aspect of these terms. Don't hesitate to reach out if you need clarification on your rights or responsibilities.
Acknowledgment
BY USING OUR SERVICE, YOU ACKNOWLEDGE THAT YOU HAVE READ THESE TERMS OF SERVICE AND AGREE TO BE BOUND BY THEM.
These terms constitute the entire agreement between you and Standard Deviation Calculator regarding your use of the Service, superseding any prior agreements between you and Standard Deviation Calculator relating to your use of the Service.