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We answer to criticisms of O. Keller about our interpretation work on theIshango rod, the oldest mathematical tool of humankind. Our hypothesis, that iswidely accepted, is that this prehistoric rod is the first mankindmanifestation of a basic arithmetic intention, with simple arithmeticoperations and possibly showing passages between 10 and 12 bases.

Contradictions and narrowness of views in "The fables of Ishango, or the  irresistible temptation of mathematical fiction", answers and updates (in  English and in French)