Privacy & Data Disclosures

🛡️ 1. Introduction & Core Commitment

Welcome to Reiknivél (accessible at https://reiknivel.com/). Protecting the privacy of our visitors is one of our highest operational priorities. This Privacy Policy document maps out exactly how personal variables, cookie tracking metrics, analytical records, and advertising data scripts are leveraged, processed, and cached by our platforms.

Crucially, Reiknivél operates as a zero-database calculation service. None of the mathematical parameters, clinical heights/weights, obstetric timelines, or compound interest formulas you input are transmitted to or stored on our servers. All arithmetic calculation pipelines run dynamically inside the client-side JavaScript engine of your web browser, ensuring complete isolation and absolute privacy for your personal numbers.

📈 2. Google Tag Manager & Analytics (GA4)

We leverage Google Tag Manager (GTM) and Google Analytics 4 (GA4) to audit web traffic volume, inspect user interaction pathways, identify rendering performance issues, and monitor computational error rates on our forms. These scripts help us track aggregate parameters, including:

• Internet Protocol (IP) addresses (fully anonymized at the subnet level).
• Browser type, screen resolution, operating system version, and system language parameters.
• Time-stamps of visits, landing pages, scroll percentages, and click trails.
• Specific tools launched (e.g. tracking that a user loaded the FFMI Calculator, without saving the muscle indices entered).

Google Analytics cookies are set to store pseudonymized identifiers. These variables do not contain names, medical entries, birth details, or banking coordinates. You can manage or disable traffic tracking via your browser's cookie settings or by deploying official Google Opt-Out plugins.

💸 3. Google AdSense & Grow Publisher Script

To fund the continuous operational engineering of our calculation suite, we host advertising spaces deployed via Google AdSense and the Grow Publisher Script. These monetization networks utilize specialized tracking systems, including:

• DoubleClick DART Cookies: Google uses DART cookies to serve targeted ads based on your specific visits to reiknivel.com and other websites across the internet. DART cookies do NOT track personal variables (such as name or email). You can opt out of DoubleClick DART tracking by visiting Google’s Ad Settings.
• Interest-Based Behavioral Advertising: Third-party advertisers on our site may collect pseudonymized browsing details to construct interest segments and display relevant product recommendations.
• Grow Publisher Suite Synchronization: The Grow Publisher script integrates standard, high-performance programmatic advertisement corridors. These systems utilize cookies to normalize layout sizes, adjust ad frequencies, and prevent malicious clicks, completely aligned with industry-standard compliance guidelines.

🍪 4. Cookie Disclosure & Web Beacons

Like any professional web platform, Reiknivél utilizes standard cookies and **web beacons** to save user interface states, cache configurations, and optimize system speed. The cookies set directly by our domain include:

• Functional Preference Cookies: Set to store UI states such as your preferred arithmetic angle unit (Degrees vs Radians) or active timesheet formatting presets.
• Session Cache Tokens: Used to persist temporary variables as you navigate across sibling calculator hubs.

You can choose to disable cookies through your individual browser options. Detailed information about cookie management with specific web browsers can be found at the browsers' respective websites.

💾 5. Browser Local Storage Cache (localStorage)

Our scientific calculator suite features a local **History Tracking HUD** allowing users to review their recent mathematical formulas. This history is written exclusively inside your browser's localStorage database. The raw text calculations remain permanently cached on your physical device until you manually clear your browser history or click the "Clear History" button directly inside our calculator HUD panel. We have zero technical capacity to access, read, or sync this local storage data remotely.

🇪🇺 6. GDPR, CCPA, and CCPA/COPPA Compliance

We are fully committed to protecting children and user rights internationally:

• GDPR (General Data Protection Regulation): European Union citizens possess complete rights to access, rectify, restrict, or delete personal identifiers. Because we collect zero backend databases, no personal record deletion requests are required for computational inputs. For GTM/GA4 tracking deletions, please contact our support team.
• CCPA (California Consumer Privacy Act): Californian residents have the right to request access to categories of data collected, request deletion, and opt out of the "sale" of personal information (which includes third-party ad network tracking). We respect these rights completely and provide opt-out corridors.
• COPPA (Children's Online Privacy Protection Act): Protecting children utilizing the internet is vital. Reiknivél does not knowingly collect any personally identifiable information from children under the age of 13. If you believe your child has submitted personal details on our site, please contact us instantly, and we will purge the analytics logs.

📧 7. Contacting Our Data Officer

For inquiries, clarification regarding GTM tag triggers, Adsense privacy settings, or to request analytical data purge audits, please email our data operations team at: