Geometry | Definition, History, Basics, Branches, & Facts | Britannica
2024年11月19日 · Beginning about the 6th century bce, the Greeks gathered and extended this practical knowledge and from it generalized the abstract subject now known as geometry, from the combination of the Greek words geo (“Earth”) and …
Mathematics | Definition, History, & Importance | Britannica
2024年11月15日 · All mathematical systems (for example, Euclidean geometry) are combinations of sets of axioms and of theorems that can be logically deduced from the axioms. Inquiries into the logical and philosophical basis of mathematics reduce to questions of whether the axioms of a given system ensure its completeness and its consistency.
Mathematics and its branches | Britannica - Encyclopedia Britannica
Conic section, in geometry, any curve produced by the intersection of a plane and a right circular cone. Depending on the angle of the plane relative to the cone, the intersection is a circle, an ellipse, a hyperbola, or a parabola.
When to Capitalize School Subjects | Britannica Dictionary
When you are talking about a school subject in a general way, you do not need to capitalize it unless it is the name of a language. For example, math and chemistry do not need to be capitalized, but French and Spanish do need to be capitalized because they are proper nouns.
Analytic geometry | Lines, Curves & Equations | Britannica
analytic geometry, mathematical subject in which algebraic symbolism and methods are used to represent and solve problems in geometry. The importance of analytic geometry is that it establishes a correspondence between geometric curves and algebraic equations.
Euclid | Biography, Contributions, Geometry, & Facts | Britannica
2024年10月26日 · Euclid, the most prominent mathematician of Greco-Roman antiquity, best known for his geometry book, the Elements. It is sometimes said that, other than the Bible, the Elements is the most translated, published, and studied of …
geometry - Kids | Britannica Kids | Homework Help
Geometry is a kind of mathematics that deals with shapes and figures. Geometry explains how to build or draw shapes, measure them, and compare them. People use geometry in many kinds of work, from building houses and bridges to planning space travel.
Euclidean geometry | Definition, Axioms, & Postulates | Britannica
2024年10月19日 · Euclidean geometry, the study of plane and solid figures on the basis of axioms and theorems employed by the Greek mathematician Euclid (c. 300 bce). In its rough outline, Euclidean geometry is the plane and solid geometry commonly taught …
Differential geometry | Curves, Surfaces & Manifolds | Britannica
Differential geometry, branch of mathematics that studies the geometry of curves, surfaces, and manifolds (the higher-dimensional analogs of surfaces). The discipline owes its name to its use of ideas and techniques from differential calculus, though …
Infinity | Definition, Symbol, & Facts | Britannica
2024年9月26日 · Infinitesimals were heavily criticized, and much of the early history of analysis revolved around efforts to find an alternate, rigorous foundation for the subject. The use of infinitesimal numbers finally gained a firm footing with the development of nonstandard analysis by the German-born mathematician Abraham Robinson in the 1960s.