This Newsletter/Email Policy (“Policy”) explains how Interpolation Calculator manages subscriptions, communications, and personal data for email newsletters and marketing campaigns delivered through https://interpolationcalculator.com. By subscribing, you agree to the practices described below.

1. Opt-In Consent

We only send newsletters and marketing emails to individuals who have explicitly opted in. Opt-in may occur when you:

  • Subscribe through a signup form on https://interpolationcalculator.com
  • Check a consent box during purchase or registration
  • Request to receive updates, resources, or promotions

You will never be added to our mailing list without your consent.

2. Content of Communications

Subscribers may receive:

  • News, updates, or educational content from Interpolation Calculator
  • Promotional offers, discounts, or event invitations
  • Announcements regarding new services, features, or policies

We aim to provide content that is relevant and valuable.

3. Opt-Out and Unsubscribe

Each email we send includes a visible “unsubscribe” link. You may opt out at any time by clicking that link or by contacting shirinvossoughi80@gmail.com. Unsubscribing will remove you from marketing communications, but you may still receive transactional or service-related emails when necessary (such as receipts or account notices).

4. Subscriber Data

We collect and store subscriber data such as:

  • Name and email address
  • Subscription preferences
  • Engagement data (e.g., opens, clicks)

This data is stored securely and used only for the purposes described in this Policy. If you wish to update or delete your information, contact shirinvossoughi80@gmail.com.

5. Third-Party Email Services

We may use third-party email service providers to manage subscriptions and deliver messages. These providers are contractually required to safeguard subscriber information and comply with applicable privacy regulations.

6. Data Protection and Compliance

Subscriber data is handled in accordance with our Privacy Policy and applicable regulations such as the CAN-SPAM Act, GDPR, and other email marketing laws. You may exercise your data rights at any time by contacting shirinvossoughi80@gmail.com.

7. Frequency of Emails

We aim to balance useful communication with respect for your inbox. Frequency may vary depending on promotions, events, or new content, but subscribers will not receive excessive or irrelevant emails.

8. Policy Updates

We may revise this Newsletter/Email Policy as our practices evolve. Updated versions will be posted on https://interpolationcalculator.com, and continued subscription indicates acceptance of revised terms.

Interpolation Calculator is a mathematical method used to estimate an unknown value between known data points.

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