Welcome to DD Calculator. By downloading, installing, or using this Application, you agree to be bound by these Terms and Conditions. This is a free mobile application developed by Duo Dev Technologies for personal and educational use. The Application provides scientific calculation capabilities without warranties of merchantability or fitness for a particular purpose.

Duo Dev Technologies grants you a limited, non-exclusive, non-transferable, revocable license to use DD Calculator for personal, non-commercial purposes only. You may not modify, reverse engineer, decompile, or disassemble the Application. You may not rent, lease, loan, sell, redistribute, or sublicense the Application. You may not copy, distribute, or make derivative works based on the Application.

You agree not to use DD Calculator in any way that could damage, disable, overburden, or impair the Application. You may not use the Application for any unlawful purpose or in violation of any applicable laws. Commercial use of this Application requires prior written consent from Duo Dev Technologies.

The Application, including its original content, features, and functionality, is owned by Duo Dev Technologies and is protected by international copyright, trademark, patent, trade secret, and other intellectual property laws. Duo Dev Technologies name, logo, and all related names, logos, product and service names, designs, and slogans are trademarks of Duo Dev Technologies.

Duo Dev Technologies reserves the right to modify, suspend, or discontinue the Application at any time. We may release updates that modify or improve the Application's functionality. These Terms may be updated from time to time; continued use after changes constitutes acceptance. We will notify users of significant changes through the Application or our website.