German-Dutch mathematician (*1540 – †1610)

Ludolphi à Ceulen de circulo et adscriptis liber. In quo plurimorum polygonorum latera per irrationalium numerorum griphos, quorum libet autem per numeros absolutos secundum algebricarum æquationum leges explicantur / quæ insuper accesserunt pagina versa indicabit. Omnia é vernaculo latina fecit, et annotationibus illustravit Willebrordus Snellius.

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