Privacy Policy

1. Introduction

Multicalc operates the Multicalc website and mobile application (collectively, "Service"). This Privacy Policy explains our practices regarding the collection, use, and protection of your information.

Your privacy is important to us. Please read this policy carefully to understand our views and practices regarding your personal information.

2. Information We Collect

2.1 Information You Provide

• Calculator Inputs: When you use our calculators, we do not store your input data unless you explicitly choose to save your calculation to your account or history.
• Account Information: If you create an account, we collect your email address and any other information you provide.
• Contact Form: If you contact us, we collect the information you submit in the contact form.

2.2 Automatically Collected Information

• Log Data: Our servers automatically record information when you use our Service, including IP address, browser type, pages visited, and time stamps.
• Cookies: We use cookies to enhance your experience. You can control cookie settings in your browser.
• Device Information: Device type, OS, unique device identifiers, and mobile network information.

2.3 Information from Third Parties

• Payment processors (if applicable)
• Advertising networks

3. How We Use Your Information

We use collected information for the following purposes:

• To provide, maintain, and improve our Service
• To send you technical notices and support messages
• To respond to your inquiries and provide customer service
• To track and analyze trends and usage of our Service
• To detect, prevent, and address fraud and other illegal activities
• To personalize content and provide targeted advertising
• To comply with legal obligations

4. Data Security

We implement appropriate technical and organizational measures to protect your personal information against unauthorized access, alteration, disclosure, or destruction. These measures include:

• HTTPS encryption for all data in transit
• Secure password hashing for stored credentials
• Regular security audits and updates
• Limited access to personal information

Note: No method of transmission over the internet or electronic storage is 100% secure. While we strive to use reasonable means to protect your information, we cannot guarantee absolute security.

5. Third-Party Services

5.1 External Links

Our Service may contain links to external websites. We are not responsible for the privacy practices of external sites. Please review their privacy policies before providing any personal information.

6. Your Rights and Choices

6.1 Access and Correction

You have the right to access, review, and correct your personal information. Contact us at multicalc2025@gmail.com to request access or correction.

6.2 Data Deletion

You have the right to request deletion of your personal information, subject to certain legal obligations. We will comply with such requests within 30 days.

6.3 Opt-Out

You can opt-out of marketing communications by clicking the "unsubscribe" link in our emails or updating your preferences in your account settings.

6.4 Cookie Control

You can control cookies through your browser settings. Disabling cookies may affect the functionality of our Service.

7. GDPR and CCPA Compliance

7.1 GDPR (European Users)

If you are located in the European Union, you have the following rights under the General Data Protection Regulation (GDPR):

• Right to access your personal data
• Right to rectification of inaccurate data
• Right to erasure ("right to be forgotten")
• Right to restrict processing
• Right to data portability
• Right to object to processing

To exercise these rights, contact us at multicalc2025@gmail.com.

7.2 CCPA (California Users)

If you are a California resident, you have rights under the California Consumer Privacy Act (CCPA), including:

• Right to know what personal information is collected
• Right to delete personal information collected from you
• Right to opt-out of the sale or sharing of personal information
• Right to non-discrimination for exercising CCPA rights

To submit a request, contact us at multicalc2025@gmail.com with your name and email address.

8. Children's Privacy

Our Service is not directed to children under the age of 13. We do not knowingly collect personal information from children under 13. If we become aware that we have collected information from a child under 13 without parental consent, we will take steps to delete such information immediately.

9. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of significant changes by posting the new policy on our website and updating the "Last Updated" date. Your continued use of our Service following such notification constitutes your acceptance of the updated policy.

10. Contact Us

If you have questions about this Privacy Policy or our privacy practices, please contact us at: