Preface / Luís Saraiva -- Les sciences mathématiques en Chine vers 1600 / Jean-Claude Martzloff --The Portuguese assistancy of the Society of Jesus and scientific activities in its Asian missions until 1640 / Ugo Baldini -- L'Exploration d'une mathématique: l'École de Jésuite Grégoire de Saint-Vincent dans les Pays Ibériques et Au-Delà / Jean Dhombres -- O problema da longitude posto pelas Navegações, o Tratado de Tordesilhas e as Negociações de Elas-Badajoz / José Joaquim Dionísio -- Os Jesuítas e o Intercâmbio Científico entre a Europa e o Oriente do século XVI ao século XVIII / Alfredo Dinis -- F. Furtado (1587-1653) S.J. and his Chinese translation of Aristotle’s Cosmology / Han Qi -- The Pleasure-Garden of Myriad Forms: some reflections on the Chinese translation of Euclid (1607) / Peter Engelfreit -- P. Andreas Pereira and his contribution to mathematics and astronomy in China / Wang Yusheng -- D. Frei Alexandre de Gouveia, Bispo de Pequim, Astrónomo e matemático na Corte Chinesa / Antonio Graça de Abreu -- Nagasáqui e a primeira Abertura do Japão ao Ocidente / João Paulo Oliveira e Costa -- The navigational instruments in Duarte de Sande's Dialogus de Missione Legatorum Iaponensium ad Romanum Curiam (1590) / Charles Burnett -- Notes on the contents and fate of the Western scientific influence in Japan in the sixteenth and seventeenth centuries / Henrique Leitão -- Les activités scientifiques (mathématiques, astronomie) des Missions Catholiques au Japon et en Chine du milieu du XVI^e Siècle au milieu di XIX^e Siècle / Jean-Claude Martzloff -- Two Jesuit contributions to geometry in China / Joseph MacDonnell -- Image and patronage: the role of Portugal in the transmission of scientific knowledge from Europe to China / Catherine Jami.