Terms of Service — PAE Bird

Last updated: June 7, 2026

These Terms of Service ("Terms") govern your use of PAE Bird, including the macOS application, Microsoft Excel® add-in, and Google Sheets™ add-on (collectively, the "Service"), provided by PAE Bird ("we", "us", or "our"). By using the Service you agree to these Terms.

1. Use of the Service

PAE Bird provides mathematical computation tools for personal and professional use. You agree to use the Service only for lawful purposes and in accordance with these Terms.

2. Free and Paid Tiers

The Service is offered on a freemium basis. The free tier provides a limited number of computations per month. Paid tiers provide higher or unlimited usage. Current limits and pricing are described on our website and within the Service.

3. API Usage

The Google Sheets™ add-on sends mathematical expressions to a PAE Bird API server for processing. By using the add-on you acknowledge that expression data is transmitted to this server. No personal data is collected or stored. See our Privacy Policy for details.

4. Intellectual Property

All software, branding, and content provided as part of the Service are owned by PAE Bird and protected by applicable intellectual property laws. You may not copy, modify, distribute, or reverse-engineer any part of the Service.

5. Disclaimer of Warranties

The Service is provided "as is" without warranties of any kind, express or implied. We do not warrant that the Service will be error-free, uninterrupted, or that mathematical results will be accurate in all cases. You are responsible for verifying results before relying on them.

6. Limitation of Liability

To the fullest extent permitted by law, PAE Bird shall not be liable for any indirect, incidental, special, or consequential damages arising from your use of the Service.

7. Changes to the Service

We reserve the right to modify or discontinue the Service, or change pricing, at any time with reasonable notice.

8. Changes to These Terms

We may update these Terms from time to time. Continued use of the Service after changes constitutes acceptance of the updated Terms.

9. Governing Law

These Terms are governed by the laws of the State of California, United States, without regard to conflict of law principles.

10. Contact

For questions about these Terms, contact us at s.j.breier@gmail.com.


Google Sheets™ and Google Workspace™ are trademarks of Google LLC. Microsoft Excel® is a registered trademark of Microsoft Corporation. Mac App Store® is a trademark of Apple Inc. PAE Bird is not affiliated with or endorsed by Google LLC, Microsoft Corporation, or Apple Inc.