Legal notice
Last updated: November 10, 2026
Publisher
Calculus is published by ddx.
Contact: contact@calculusonline.fr
Publication director
The publication director is the site’s publisher.
Hosting
- Website, online game server and database: Scalingo SAS, 13 rue Jacques Peirotes, 67000 Strasbourg, France (scalingo.com), servers located in France.
Intellectual property
The texts, design and code of Calculus belong to its publisher. Any reproduction without permission is prohibited.
The Bricolage Grotesque and Caveat fonts are used under the SIL Open Font License.
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Personal data
How your data is processed is described in the privacy policy.
This English translation is provided for convenience; the French version prevails.