arithmetical fraction
51History of algebra — Elementary algebra is the branch of mathematics that deals with solving for the operands of arithmetic equations. Modern or abstract algebra has its origins as an abstraction of elementary algebra. Historians know that the earliest mathematical… …
5214th century AH — is a period in the Islamic calendar that corresponds to 1883 ndash; 1980 CE. yearbox width = 500 in?= cp=13th century AH c=14th century AH cf=15th century AHThe Islamic calendar consists of 12 months of 29 or 30 days, corresponding to the phases… …
53Real number — For the real numbers used in descriptive set theory, see Baire space (set theory). For the computing datatype, see Floating point number. A symbol of the set of real numbers …
54Extrapolation de Richardson — En analyse numérique, le procédé d extrapolation de Richardson est une technique d accélération de la convergence. Il est ainsi dénommé en l honneur de Lewis Fry Richardson[1],[2], qui l a introduit au début du XXe siècle. Ce procédé est… …
55Pythagoreanism — /pi thag euh ree euh niz euhm/, n. the doctrines of Pythagoras and his followers, esp. the belief that the universe is the manifestation of various combinations of mathematical ratios. [1720 30; PYTHAGOREAN + ISM] * * * Philosophical school,… …
56Leonardo Pisano — ▪ Italian mathematician Introduction English Leonardo of Pisa , original name Leonardo Fibonacci born c. 1170, , Pisa? died after 1240 medieval Italian mathematician who wrote Liber abaci (1202; “Book of the Abacus”), the first European… …
57Egypt — • Provides information on history, religion, and literature Catholic Encyclopedia. Kevin Knight. 2006. Egypt Egypt † …
58Chronology of the Kings — Chronology of the Kings † Catholic Encyclopedia ► Chronology of the Kings First, we append a table in which the data of the Bible are put together. For the kings of Juda, s. signifies son, b., brother, of the preceeding. … …
59test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …
60George Peacock — Portrait du XIXe siècle de Peacock Naissance 9 avril 1791 Denton, Yorkshire, Angleterre Décès 8 novembre 1858 Pall Mall, Londres …
