Eugen Mittwoch Eugen Mittwoch Eugen Mittwoch (December 4, 1876 - November 8, 1942) was the founder of Modern Islamic Studies in Germany, and at the same time an eminent Jewish scholar. Coming from an old Orthodox Jewish family, Mittwoch was born in Schrimm, Prussian Province of Posen, Imperial Germany (now Srem in Poland). He initially wanted to become a Rabbi. During his studies in Berlin he discovered Islamic studies and did his doctorate with Eduard Sachau. During World War I, Mittwoch was the head of the German Nachrichtenstelle für den Orient from 1916 until 1918. After the agency initially employed people who
Determination of the day of the week enter a self-contained function for converting a Gregorian date into a numerical day of the week. It preserves neither y nor d, and returns 0 = Sunday, 1 = Monday, etc. Shortly afterwards, Hans Lachman streamlined their algorithm for ease of use on low-end devices. As designed originally for four-function calculators, his method needs fewer keypad entries by limiting its range either to A.D. 1905-2099, or to historical Julian dates. It was later modified to convert any Gregorian date, even on an abacus. On Motorola 68000-based devices, there is similarly less need of either processor registers or opcodes, depending on