Privacy Policy

1. Introduction

Mathematical Calculator Tools ("we," "our," or "us") operates the website located at combination-sum-calculator.com (the "Service"). This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website and use our mathematical calculation tools.

We are committed to protecting your privacy and ensuring the security of your personal information. This policy describes our practices regarding data collection and use, and your rights concerning your personal information.

2. Information We Collect

2.1 Information You Provide Voluntarily

We may collect the following information when you voluntarily provide it:

• Contact Information: Name, email address, phone number when you contact us through our contact form or email
• Feedback and Communications: Messages, suggestions, bug reports, or other communications you send to us
• Survey Responses: Information provided in surveys or feedback forms (if applicable)

2.2 Automatically Collected Information

When you visit our website, we may automatically collect certain technical information:

• Log Data: IP address, browser type, operating system, referring URLs, pages visited, and timestamps
• Device Information: Device type, screen resolution, and browser settings
• Usage Data: Pages accessed, time spent on pages, click patterns, and navigation paths
• Cookies and Similar Technologies: Small data files stored on your device (see Section 4 for details)

2.3 Information We Do NOT Collect

3. How We Use Your Information

3.1 Primary Uses

We use the collected information for the following purposes:

• Service Provision: To provide, maintain, and improve our mathematical calculators
• Technical Support: To respond to your inquiries, support requests, and feedback
• Website Optimization: To analyze usage patterns and improve website performance
• Security: To protect against unauthorized access, abuse, and security threats
• Legal Compliance: To comply with applicable laws and regulations

3.2 Analytics and Improvements

We may use aggregated, anonymized data to:

• Understand which calculators are most popular
• Identify areas for website improvement
• Generate usage statistics and performance metrics
• Develop new features and calculators based on user needs

4. Cookies and Tracking Technologies

4.1 What Are Cookies

Cookies are small text files stored on your device when you visit our website. They help us provide a better user experience and understand how our website is used.

4.2 Types of Cookies We Use

4.3 Managing Cookies

You can control cookies through your browser settings. Note that disabling certain cookies may affect website functionality. Most browsers allow you to:

• View and delete existing cookies
• Block cookies from specific websites
• Block third-party cookies
• Clear all cookies when you close the browser

5. Information Sharing and Disclosure

5.1 General Policy

5.2 Limited Exceptions

We may share information only in the following limited circumstances:

• Service Providers: With trusted third-party services that help us operate our website (e.g., hosting, analytics) under strict confidentiality agreements
• Legal Requirements: When required by law, court order, or government regulation
• Safety and Security: To protect the rights, property, or safety of our users or the public
• Business Transfers: In the event of a merger, acquisition, or sale of assets (with advance notice to users)

6. Data Security

6.1 Security Measures

We implement appropriate technical and organizational measures to protect your information:

• Encryption: Data transmission is protected using SSL/TLS encryption
• Access Controls: Limited access to personal information on a need-to-know basis
• Regular Security Audits: Periodic reviews of our security practices and systems
• Secure Infrastructure: Use of reputable hosting services with robust security measures

6.2 Client-Side Processing

7. Data Retention

We retain different types of information for different periods:

• Contact Information: Retained until you request deletion or the purpose is fulfilled
• Log Data: Automatically deleted after 12 months
• Analytics Data: Aggregated and anonymized data may be retained longer for statistical purposes
• Email Communications: Retained for up to 3 years for support and legal purposes

8. Your Rights and Choices

8.1 Access and Control

You have the following rights regarding your personal information:

• Access: Request information about what personal data we have about you
• Correction: Request correction of inaccurate or incomplete information
• Deletion: Request deletion of your personal information
• Portability: Request a copy of your data in a portable format
• Objection: Object to certain uses of your information

8.2 How to Exercise Your Rights

To exercise any of these rights, please contact us at [email protected]. We will respond to your request within 30 days.

9. Children's Privacy (COPPA Compliance)

10. International Users

Our website is operated in the United States. If you are accessing our service from outside the United States, please be aware that your information may be transferred to, stored, and processed in the United States, where our servers are located and our central database is operated.

By using our service, you consent to the transfer of your information to the United States and its processing in accordance with this Privacy Policy.

11. Changes to This Privacy Policy

We may update this Privacy Policy from time to time to reflect changes in our practices or for other operational, legal, or regulatory reasons. When we make changes, we will:

• Update the "Last Updated" date at the top of this policy
• Post the revised policy on our website
• For significant changes, provide additional notice through email or website notifications

We encourage you to review this Privacy Policy periodically to stay informed about how we are protecting your information.

12. Contact Information

If you have any questions, concerns, or requests regarding this Privacy Policy or our privacy practices, please contact us: