arbitrarily assigned
81Astronomical naming conventions — In ancient times, only the Sun and Moon, a few hundred stars and the most easily visible planets had names. Over the last few hundred years, the number of identified astronomical objects has risen from hundreds to over a billion, and more are… …
82electricity — /i lek tris i tee, ee lek /, n. 1. See electric charge. 2. See electric current. 3. the science dealing with electric charges and currents. 4. a state or feeling of excitement, anticipation, tension, etc. [1640 50; ELECTRIC + ITY] * * *… …
83Mass point geometry — Mass point geometry, colloquially known as mass points, is a geometry problem solving technique which applies the physical principle of the center of mass to geometry problems involving triangles and intersecting cevians.[1] All problems that can …
84Drive letter assignment — is the process of assigning alphabetical identifiers to physical or logical disk drives or partitions (drive volumes) in the root filesystem namespace; this usage is now mostly found in Microsoft operating systems. Unlike the concept of UNIX… …
852-satisfiability — In computer science, 2 satisfiability (abbreviated as 2 SAT or just 2SAT) is the problem of determining whether a collection of two valued (Boolean or binary) variables with constraints on pairs of variables can be assigned values satisfying all… …
86Species — In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is …
87Elo rating system — Chess Go The Elo rating system is a method for calculating the …
88Axiomatic system — In mathematics, an axiomatic system is any set of axioms from which some or all axioms can be used in conjunction to logically derive theorems. A mathematical theory consists of an axiomatic system and all its derived theorems. An axiomatic… …
89Gravity set — The Mitchell Green gravity set (MGGS) is a fractal set that was created by Fred Mitchell and Chris Green in 1992.The gravity set is a set of points in the plane. Like the Mandelbrot set, the gravity set is defined as follows: a certain mapping f… …
90TextMate — Infobox Software name = TextMate caption = developer = Allan Odgaard (MacroMates) latest release version = 1.5.7 (r1466) operating system = Mac OS X genre = text editor license = Proprietary website = http://www.macromates.com/TextMate is a… …
