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  1. Mathematician Definition & Meaning | Britannica Dictionary

    plural mathematicians Britannica Dictionary definition of MATHEMATICIAN [count] : a person who is an expert in mathematics

  2. Mathematics | Definition, History, & Importance | Britannica

    Nov 11, 2025 · Mathematics, the science of structure, order, and relation that has evolved from counting, measuring, and describing the shapes of objects. Mathematics has been an indispensable adjunct to …

  3. Mathematics - Ancient Sources, History, Culture | Britannica

    Nov 11, 2025 · Mathematics - Ancient Sources, History, Culture: It is important to be aware of the character of the sources for the study of the history of mathematics. The history of Mesopotamian …

  4. Mathematics and its branches | Britannica

    mathematics, Science of structure, order, and relation that has evolved from counting, measuring, and describing the shapes of objects. Mathematics deals with logical reasoning and quantitative calculation.

  5. Mathematics Definition & Meaning | Britannica Dictionary

    MATHEMATICS meaning: the science of numbers, quantities, and shapes and the relations between them often used before another noun

  6. Pi | Definition, Symbol, Number, History, Applications, & Facts ...

    Nov 17, 2025 · pi (π), in mathematics, the ratio of the circumference of a circle to its diameter. The Greek letter π was first used by British mathematician William Jones in 1706 to represent the ratio …

  7. Mean | Definition, Formula, & Facts | Britannica

    Oct 16, 2025 · Mean, in mathematics, a quantity that has a value intermediate between those of the extreme members of some set. Several kinds of means exist, and the method of calculating a mean …

  8. E | Definition, Value, Constant, Series, & Facts | Britannica

    Oct 28, 2025 · The constant e is used throughout mathematics and the sciences. For example, it is involved in calculations for the rate of radioactive decay, exponential growth, continuous compound …

  9. Archimedes | Facts & Biography | Britannica

    Oct 11, 2025 · Archimedes, the most famous mathematician and inventor in ancient Greece. He discovered the relation between the surface and volume of a sphere and its circumscribing cylinder.

  10. Cartesian coordinates | Definition & Facts | Britannica

    Cartesian coordinates, system of describing the position of points in space using perpendicular axis lines that meet at a point called the origin. Any given point’s position can be described based on its …