1. Introduction

Math Formula Helper is a lightweight educational productivity tool designed for students, teachers, engineers, and STEM professionals. The extension helps you copy mathematical symbols, save personal formula notes, convert plain-text formulas into LaTeX-friendly format, and access useful calculus resources through external links.

Math Formula Helper is built with a privacy-first approach. The extension does not collect personal information, does not track users, does not use analytics, and does not sell user data. Your workflow stays on your device.

2. Information Collection

2.1 Personal Information

Math Formula Helper does not collect personal information. We do not ask for your name, email address, phone number, location, payment details, or any other personally identifiable information.

2.2 Usage and Analytics Data

The extension does not track users and does not use analytics. We do not monitor how you use the extension, which symbols you copy, which formulas you save, or which resource links you click.

2.3 Data Sales

We do not sell, rent, or trade user data to third parties. Because the extension does not collect personal or usage data, there is no user data to sell or share for commercial purposes.

2.4 What You Provide Voluntarily

The only data you may enter into the extension are formula notes that you choose to type and save yourself—for example, expressions such as x^2 + y^2, sin(x), or ln(x). This content is created entirely by you and remains under your control.

3. Data Storage

3.1 Local Storage Only

All saved formula notes are stored locally on your device using chrome.storage.local, a built-in Chrome extension API. This storage mechanism keeps your data on your computer and associated with your browser profile.

3.2 No Server Transmission

No information is transmitted to external servers by Math Formula Helper. The extension does not include background sync, cloud backup, remote databases, or any network requests that send your formula notes or usage data elsewhere.

3.3 Data Retention and Deletion

Your formula notes remain on your device until you delete them within the extension or remove the extension from Chrome. Uninstalling the extension will remove locally stored formula notes associated with it.

3.4 Clipboard Actions

When you copy a mathematical symbol or LaTeX output, the content is placed on your device's clipboard through your browser's native clipboard API. The extension does not record or transmit clipboard contents.

4. Permissions Used

Math Formula Helper requests only the minimum permissions necessary to provide its core functionality. Only the storage permission is used.

The extension does not request permissions for tabs, browsing history, cookies, geolocation, microphone, camera, or any other sensitive capabilities.

5. Third-Party Services

5.1 Educational Resource Links

Math Formula Helper includes links to educational calculus resources hosted on calculadora-derivadas.org, including:

• Derivative Calculator
• Partial Derivative Calculator
• Chain Rule Calculator

These links open in a new browser tab only when you choose to click them. The extension does not automatically connect to these websites or send any data to them.

5.2 Third-Party Website Policies

Once you leave the extension and visit an external website, that website's own privacy policy and terms of use apply. We encourage you to review the privacy practices of any third-party site you visit.

5.3 No External Scripts or Remote Code

Math Formula Helper does not load external scripts, remote code, advertising networks, or tracking pixels. All extension functionality runs from files bundled with the extension package.

6. Cookies

Math Formula Helper does not use cookies and does not set or read cookie data as part of its operation. The extension stores formula notes exclusively through chrome.storage.local, which is separate from website cookies.

If you click a link to an external website such as calculadora-derivadas.org, that website may use its own cookies in accordance with its privacy policy. This is outside the control of the Math Formula Helper extension.

7. Children's Privacy

Math Formula Helper is an educational tool that may be used by students of various ages, including children under the age of 13, under the supervision of parents, guardians, or educators.

Because the extension does not collect personal information, does not require account registration, and does not transmit data to external servers, we do not knowingly collect personal information from children. If you believe a child has provided personal information through a related service in a way that concerns you, please contact us using the information below.

8. Changes to This Policy

We may update this Privacy Policy from time to time to reflect changes in the extension, applicable laws, or best practices. When we make changes, we will revise the Last Updated date at the top of this page.

We encourage you to review this page periodically. Continued use of Math Formula Helper after an update constitutes your acknowledgment of the revised policy.

9. Contact Information

If you have questions, concerns, or requests regarding this Privacy Policy or the Math Formula Helper extension, please contact us through our website: