geometrical fraction

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• Complex argument (continued fraction) — In analysis, the complex argument theta; = arg( z ) is commonly defined as an angle, often in terms of the inverse tangent function, or the inverse cosine. In a purely formal and perfectly rigorous treatment of the complex numbers, such reliance… …   Wikipedia

• Stereology — (from Greek stereos = solid) was originally defined as the spatial interpretation of sections . It is an interdisciplinary field that is largely concerned with the three dimensional interpretation of planar sections of materials or tissues. It… …   Wikipedia

• History of geometry — Geometry (Greek γεωμετρία ; geo = earth, metria = measure) arose as the field of knowledge dealing with spatial relationships. Geometry was one of the two fields of pre modern mathematics, the other being the study of numbers. Classic geometry… …   Wikipedia

• Number — For other uses, see Numbers (disambiguation). A number is a mathematical object used to count and measure. In mathematics, the definition of number has been extended over the years to include such numbers as zero, negative numbers, rational… …   Wikipedia

• Algèbre géométrique — Pour les articles homonymes, voir Algèbre (homonymie) et notamment la structure mathématique d algèbre géométrique. Paul Tannery popularise l expression algèbre géométrique. En mathématiques, l’algèbre géométrique regroupe …   Wikipédia en Français

• light — light1 lightful, adj. lightfully, adv. /luyt/, n., adj., lighter, lightest, v., lighted or lit, lighting. n. 1. something that makes things visible or affords illumination: All colors depend on light. 2. Physics …   Universalium

• Golden ratio — For the Ace of Base album, see The Golden Ratio (album). Not to be confused with Golden number. The golden section is a line segment divided according to the golden ratio: The total length a + b is to the length of the longer segment a as the… …   Wikipedia

• Rings of Neptune — The scheme of Neptune s ring moon system. Solid lines denote rings; dashed lines denote orbits of moons. The rings of Neptune consist primarily of five principal rings predicted in 1984 by André Brahic and imaged in 1989 by the Voyager 2… …   Wikipedia

• Square root of 5 — The square root of 5 is the positive real number that, when multiplied by itself, gives the prime number 5. This number appears in the formula for the golden ratio. It can be denoted in surd form as::sqrt{5}.It is an irrational algebraic number.… …   Wikipedia

• mathematics — /math euh mat iks/, n. 1. (used with a sing. v.) the systematic treatment of magnitude, relationships between figures and forms, and relations between quantities expressed symbolically. 2. (used with a sing. or pl. v.) mathematical procedures,… …   Universalium

• Pi — This article is about the number. For the Greek letter, see Pi (letter). For other uses, see Pi (disambiguation). The circumference of a ci …   Wikipedia