**Discussion of a problem** — Discussion Dis*cus sion, n. [L. discussio a shaking, examination, discussion: cf. F. discussion.] 1. The act or process of discussing by breaking up, or dispersing, as a tumor, or the like. [archaic] [1913 Webster] 2. The act of discussing or… … The Collaborative International Dictionary of English

**Mathematical discussion of rangekeeping** — In naval gunnery, when long range guns became available, an enemy ship would move some distance after the shells were fired. It became necessary to figure out where the enemy ship, the target, was going to be when the shells arrived. The process… … Wikipedia

**Discussion** — Dis*cus sion, n. [L. discussio a shaking, examination, discussion: cf. F. discussion.] 1. The act or process of discussing by breaking up, or dispersing, as a tumor, or the like. [archaic] [1913 Webster] 2. The act of discussing or exchanging… … The Collaborative International Dictionary of English

**Equation of time** — The equation of time is the difference over the course of a year between time as read from a sundial and time as read from a clock, measured in an ideal situation (ie. in a location at the centre of a time zone, and which does not use daylight… … Wikipedia

**Equation** — 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… … Wikipedia

**History of Grandi's series** — Geometry and infinite zerosGrandiGuido Grandi (1671 – 1742) reportedly provided a simplistic account of the series in 1703. He noticed that inserting parentheses into nowrap|1=1 − 1 + 1 − 1 + · · · produced varying results: either:(1 1) + (1 1) + … Wikipedia

**History 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… … Wikipedia

**History of mathematics** — A proof from Euclid s Elements, widely considered the most influential textbook of all time.[1] … Wikipedia

**A New Kind of Science** — Author(s) Stephen Wolfram Country … Wikipedia

**Depth of field** — The area within the depth of field appears sharp, while the areas in front of and beyond the depth of field appear blurry … Wikipedia