Copyright Notice


Welcome to Our website provides users with various calculation tools, and these services are completely free. However, there are some important points regarding the copyright and usage terms of our website's content.

Copyrights and Intellectual Property

  • Content Rights: All content on, including but not limited to all text, graphics, user interface, visual interface, photographs, trademarks, logos, sounds, music, design, and computer code, is the property of and/or its suppliers. These contents are protected by copyright, trademark, patent, and other intellectual property rights.
  • Usage Terms: The contents of are for personal and non-commercial use only. Copying, reproducing, republishing, uploading, posting, transmitting, distributing, selling, licensing, or using any content for commercial purposes is strictly prohibited.
  • Licensing Rights: We grant our users a limited, revocable, non-personal, non-exclusive license to use the content on our site for personal and non-commercial purposes.

User Responsibilities

  • Legal Use: Users must use the content of only for lawful purposes. Any illegal, infringing, or immoral activity is strictly prohibited.
  • Violations and Sanctions: Legal actions may be initiated against users who violate this copyright notice, and necessary sanctions may be applied.

Changes reserves the right to modify this copyright notice at any time. Changes will become effective when they are posted on this page. We recommend that you regularly check this page.


If you have any questions or concerns about this copyright notice, please contact us at [email protected].