• 4 jours d’épreuves sur des sujets élémentaires – géométrie élémentaire – sections coniques – algèbre – trigonométrie plane – statique – dynamique – hydrostatique – optique – Newton – astronomie • 3 jours d’épreuves sur des higher topics Sometimes not more than one examiner was an expert in some of the new subjects, his papers were not subject to effective criticism from his colleagues, so that sometimes the papers were absurdly difficult.
• London Mathematical Society (13 janvier 1881) • American Mathematical Society (28 décembre 1894) • Edinburgh Mathematical Society (1897) • Circolo Matematico di Palermo (9 janvier 1898) • Deutsche Mathematiker-Vereinigung (1898) • Amsterdam Mathematical Society (25 mai 1899)