The casus irreducibilis in Cardano’s Ars Magna and De Regula Aliza Sara Confalonieri OriginalPaper 11 March 2015 Pages: 257 - 289
Root extraction by Al-Kashi and Stevin Nuh AydinLakhdar Hammoudi OriginalPaper 24 March 2015 Pages: 291 - 310
Fantappiè’s “final relativity” and deformations of Lie algebras N. Ciccoli OriginalPaper 07 April 2015 Pages: 311 - 326
Solution to the long-standing puzzle of Huygens’ “anomalous suspension” Michael Nauenberg OriginalPaper 05 April 2015 Pages: 327 - 341