Terms of Service & Disclaimer

Last Updated: September 29, 2026

Please read these Terms of Service (“Terms”) carefully before using the website operated by PT. Efektifpro Knowledge Source (“EfektifPro”, “we”, “us”, or “our”).

1. Acceptance of Terms

By accessing or using our website, tutorials, and interactive tools, you agree to be bound by these Terms and our Privacy Policy. If you do not agree, please do not use our website.

2. Educational & Informational Disclaimer

All content, spreadsheet formulas, SQL snippets, regular expressions, and articles provided on EfektifPro are for educational and informational purposes only.

• While we make every effort to ensure the accuracy and reliability of formulas and tutorials, spreadsheet calculation outputs depend on individual data structure, formatting, software versions, and regional settings.
• Users are strongly advised to verify and test formulas and queries on backup or test data before implementing them into production or critical financial systems.
• EfektifPro and PT. Efektifpro Knowledge Source shall not be liable for any direct, indirect, incidental, or consequential damages resulting from data errors, loss of calculations, or software discrepancies.

3. Intellectual Property Rights

Unless otherwise stated, all written articles, explanations, original layout designs, graphics, and proprietary code on this site are the intellectual property of PT. Efektifpro Knowledge Source. You may not republish, distribute, or duplicate our tutorials in bulk without express written permission.

4. Third-Party Trademarks

Microsoft Excel, Google Sheets, PostgreSQL, and other product or company names mentioned on this website are the registered trademarks of their respective owners. EfektifPro is an independent educational resource and is not officially affiliated with, endorsed by, or sponsored by Microsoft Corporation, Google LLC, or any other trademark holder.

5. Modifications

We reserve the right to modify or replace these Terms at any time without prior notice. Continued use of our site following any changes constitutes acceptance of the new Terms.

6. Contact Us

For questions regarding these Terms, please contact:
PT. Efektifpro Knowledge Source
Email: efektifpro@gmail.com
Phone: (62-21) 2277-3237