Legal notice

Last updated: 13 September 2026

Publisher

The website calcuboss.com and the CalcuBoss app are published by a private individual, on a non-professional basis.

Under Article 1-1, II of French law no. 2004-575 of 21 June 2004 on confidence in the digital economy (LCEN), formerly Article 6, III, 2 of that law before its amendment by law no. 2024-449 of 21 May 2024, a person publishing a website on a non-professional basis may, to protect their anonymity, disclose to the public only the name and address of their hosting provider. The publisher has made this choice and has given their personal identification details to the host, whose details are shown below.

Publisher contact: contact@calcuboss.com

Host

Intellectual property

The CalcuBoss name and logo, and the app’s text, exercises, tips, illustrations, sounds and code are protected by copyright.

You are welcome to use the app freely at home and in class. Any other reproduction or distribution of its content, in whole or in part, requires prior permission: contact@calcuboss.com.

Credits

• Fonts: Nunito (© The Nunito Project Authors) and Lexend (© The Lexend Project Authors), distributed under the SIL Open Font License 1.1. They are bundled with the app and never loaded from another website.
• Emoji: rendered by your device’s operating system (Apple, Google, Microsoft…), so they may look different from one device to another.
• Screenshots and illustrations on this site: CalcuBoss.

Personal data and cookies

CalcuBoss sets no cookies and uses no analytics. Children’s progress stays on their device. All the details are in the privacy policy.

Liability

CalcuBoss is provided free of charge. The publisher takes care to keep the educational content accurate, but cannot guarantee that it is entirely error-free or that the service is always available. If you spot a mistake, please report it to contact@calcuboss.com.

Governing law

This website and this notice are governed by French law.