利用規約
最終更新日: November 23, 2025
1. 利用規約の承諾
MathCalcLab(以下「サービス」)にアクセスし利用することにより、あなたは本利用規約(以下「規約」)に同意し、これに拘束されることに同意したものとみなされます。規約に同意されない場合は、サービスの利用をお控えください。
2. サービスの説明
MathCalcLabは、以下を提供する無料のオンライン教育ツールです:
- 98種類の専門的な数学および物理の計算機
- ステップバイステップの解答と教育コンテンツ
- インタラクティブな可視化およびグラフ
- 登録不要で全ての計算機に無料でアクセス可能
3. 利用許諾
3.1 許可された利用
あなたには、以下の目的で限定的かつ非独占的、譲渡不可のライセンスが付与されます:
- 個人または教育目的で計算機にアクセスし利用すること
- 宿題、学習、教育プロジェクトのためにサービスを利用すること
- MathCalcLabへのリンクを他者と共有すること
3.2 制限事項
あなたは以下のことに同意しません:
- サービスのコードを許可なくコピー、複製、または再配布すること
- 自動化ツールを使用してコンテンツを大量にスクレイピングまたはダウンロードすること
- サービスのリバースエンジニアリングやデコンパイルを試みること
- サービスを違法または無許可の目的で使用すること
- サービスのインフラストラクチャに過負荷をかけたり、妨害を試みること
- 著作権、商標、または帰属表示を削除または変更すること
4. 教育目的
MathCalcLabは以下の教育ツールとして設計されています:
- 学生が数学の概念を学ぶのを助けること
- 宿題の答えや計算を検証すること
- ステップバイステップの解答説明を提供すること
- 教師や教育者の指導を支援すること
Note: 正確性を目指していますが、学生は基礎概念を理解し、計算機だけに頼らず学習することが重要です。
5. Accuracy and Disclaimers
5.1 Calculation Accuracy
We make every effort to ensure the accuracy of our calculators. However:
- Calculators are provided "as is" without warranties of any kind
- Results should be verified for critical applications
- Floating-point arithmetic may introduce minor rounding errors
- Complex calculations may have limitations
5.2 No Professional Advice
MathCalcLab provides educational tools only. Our calculators do not constitute professional, scientific, engineering, or academic advice. For critical applications, consult appropriate professionals.
6. Intellectual Property
6.1 Our Rights
MathCalcLab and its content are protected by copyright and intellectual property laws:
- Original code, design, and content © 2025 Pärle Laigna
- "MathCalcLab" name and branding are proprietary
- Calculator algorithms and visualizations are original works
6.2 Attribution
If you reference or link to MathCalcLab in academic work, please provide appropriate attribution: "MathCalcLab (mathcalclab.com) - Created by Pärle Laigna"
7. User-Generated Input
When using our calculators:
- All calculations are performed locally in your browser
- We do not store or transmit your calculation inputs
- Your data remains private and is not collected by our servers
- You retain all rights to your inputs and results
8. Third-Party Services
MathCalcLab uses third-party services for analytics:
- Google Analytics: For website usage analytics (see Privacy Policy)
- Microsoft Clarity: For user experience improvements
- Vercel: For website hosting and content delivery
These services have their own terms of service and privacy policies.
9. Limitation of Liability
To the maximum extent permitted by law:
- MathCalcLab is provided free of charge and "as is"
- We are not liable for any direct, indirect, or consequential damages
- We do not guarantee uninterrupted or error-free service
- We are not responsible for decisions made based on calculator results
- Maximum liability is limited to the amount you paid (which is $0)
10. Availability and Modifications
10.1 Service Availability
We strive to maintain 99.9% uptime but do not guarantee uninterrupted access. The Service may be temporarily unavailable due to maintenance, updates, or technical issues.
10.2 Changes to Service
We reserve the right to:
- Add, modify, or remove calculators at any time
- Update calculator algorithms and features
- Change the Service's design or functionality
- Discontinue the Service with reasonable notice
11. Academic Integrity
Students using MathCalcLab should:
- Follow their institution's academic honesty policies
- Use calculators as learning aids, not as substitutes for understanding
- Properly cite the use of calculators if required by their instructor
- Not use calculators during exams unless explicitly permitted
12. Termination
We reserve the right to terminate or suspend access to the Service for users who violate these Terms, without prior notice or liability. Upon termination, your right to use the Service immediately ceases.
13. Governing Law
These Terms are governed by the laws of Estonia. Any disputes arising from these Terms or the Service shall be resolved in the courts of Estonia.
14. Changes to Terms
We may update these Terms from time to time. We will notify you of significant changes by updating the "Last Updated" date. Your continued use of the Service after changes constitutes acceptance of the updated Terms.
15. Contact Information
For questions about these Terms, please contact:
- Website: mathcalclab.com
- Creator: Pärle Laigna
- School: Tallinna 21. Kool
16. Severability
If any provision of these Terms is found to be invalid or unenforceable, the remaining provisions will continue in full force and effect.
Summary
MathCalcLab is a free educational tool for personal and academic use. Use calculators responsibly, verify important results, follow academic integrity policies, and respect our intellectual property. We provide the service "as is" and are not liable for calculation results.