arithmetical fraction
41History of science — History of science …
42Julian calendar — The Julian calendar began in 45 BC (709 AUC) as a reform of the Roman calendar by Julius Caesar. It was chosen after consultation with the astronomer Sosigenes of Alexandria and was probably designed to approximate the tropical year (known at… …
43Han Dynasty — 漢朝 ← 206 BCE–220 CE …
44Gersonides — Levi ben Gershom ( he. לוי בן גרשום), better known as Gersonides or the Ralbag [ Ralbag is the acronym of Rabbi Levi Ben Gershom , with vowels added to make it easily pronouncable the normal traditional Jewish practice with the names of prominent …
45Henryk Grossman — alternative spelling Henryk Grossmann (April 14 1881 November 24 1950), was a Polish German economist and historian of Jewish descent. Grossman was born in Kraków and studied law and economics in Kraków and Vienna. In 1925 he joined the Institute …
46Mental calculation — comprises arithmetical calculations using only the human brain, with no help from calculators, computers, or pen and paper. People use mental calculation when computing tools are not available, when it is faster than other means of calculation… …
47Modularity — Module redirects here. For other uses, see Module (disambiguation). Modularity is a general systems concept, typically defined as a continuum describing the degree to which a system’s components may be separated and recombined.[1] It refers to… …
48Moving average — For other uses, see Moving average (disambiguation). In statistics, a moving average, also called rolling average, rolling mean or running average, is a type of finite impulse response filter used to analyze a set of data points by creating a… …
49Kerala school of astronomy and mathematics — The Kerala school of astronomy and mathematics was a school of mathematics and astronomy founded by Madhava of Sangamagrama in Kerala, South India, which included among its members: Parameshvara, Neelakanta Somayaji, Jyeshtadeva, Achyuta… …
50Babylonian mathematics — refers to any mathematics of the peoples of Mesopotamia (ancient Iraq), from the days of the early Sumerians to the fall of Babylon in 539 BC. In contrast to the scarcity of sources in Egyptian mathematics, our knowledge of Babylonian mathematics …
