Isaac Argyros (Greek: Ἰσαὰκ Ἀργυρός; c. 1312 – c. 1375) was a Byzantine mathematician and monk who wrote a treatise named Easter Rule, along with books on arithmetic, geometry and astronomy.
Works An Easter Rule, a treatise on Easter New Tables: An Astronomical treatise, based on Ptolemaic astronomy On the participation in God On the transformation of the Saviour's Light
References
Bibliography Boiadjiev, Tzotcho (2019). "Isaak Argyros". In: Brungs, Alexander; Kapriev, Georgi; Mudroch, Vilem (eds). Die Philosophie des Mittelalters 1: Byzanz, Judentum [The Philosophy of the Middle Ages 1: Byzantium, Judaism]. Grundriss der Geschichte der Philosophie, new edition. Basel: Schwabe, , pp. 144-145. Science and Civilisation in China, Volume 3: Mathematics and the Sciences of the Heavens and the Earth, Joseph Needham, Cambridge University Press 1959,