set+equal+to
121Stelo — The Stelo ( star ; plural: Steloj ) was from 1945 to 1993 a monetary unit of Esperantists, one of whose aims was to achieve a single world currency. Attempts at an earlier currency, the Speso, with derived units like the Spesmilo, were cut short… …
122Average — In mathematics, an average, or central tendency[1] of a data set is a measure of the middle value of the data set. Average is one form of central tendency. Not all central tendencies should be considered definitions of average. There are many… …
123Participatory economics — Participatory economics, often abbreviated parecon, is a proposed economic system that uses participatory decision making as an economic mechanism to guide the production, consumption and allocation of resources in a given society. Proposed as an …
124New York Stock Exchange — This article is about the stock exchange. For its parent company, see NYSE Euronext. New York Stock Exchange …
125Equation — This article is about equations in mathematics. For the chemistry term, see chemical equation. The first use of an equals sign, equivalent to 14x+15=71 in modern notation. From The Whetstone of Witte by Robert Recorde (1557). An equation is a… …
126Thermodynamic system — A thermodynamic system is a precisely defined macroscopic region of the universe, often called a physical system, that is studied using the principles of thermodynamics. All space in the universe outside the thermodynamic system is known as the… …
127Steam whistle — A steam whistle is a device used to produce sound with the aid of live steam. Unlike a horn, the sounding mechanism of a whistle contains no moving parts (compare to train horn).The whistle consists of the following main parts, as seen on the… …
128Kepler problem in general relativity — The Kepler problem in general relativity involves solving for the motion of two spherical bodies interacting with one another by gravitation, as described by the theory of general relativity.Typically, and in this article, one body is assumed to… …
