Future events
The “premier samedi du libre” event is a gathering, every first Saturday of the month, of associations who contribute to the free software movement, in the largest sense of the term. It includes discussions around free software, internet service providers, or the Wikimedia foundation.
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Image: Salomé
Bejing, National Library of China, Li Ye 李冶. Ce yuan hai jing 測圓海鏡 (Sea Mirror of the Circle Measurements)
Angers, Museum Plantin-Moretus, B 1829 (Christophus Clavius, Algebra, p. 138