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  2. Order of operations - Wikipedia

    en.wikipedia.org/wiki/Order_of_operations

    Beyond primary education, the symbol '÷' for division is seldom used, but is replaced by the use of algebraic fractions, [12] typically written vertically with the numerator stacked above the denominator – which makes grouping explicit and unambiguous – but sometimes written inline using the slash or solidus symbol, '/'.

  3. List of unsolved problems in mathematics - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    Many mathematical problems have been stated but not yet solved. These problems come from many areas of mathematics, such as theoretical physics, computer science, algebra, analysis, combinatorics, algebraic, differential, discrete and Euclidean geometries, graph theory, group theory, model theory, number theory, set theory, Ramsey theory, dynamical systems, and partial differential equations.

  4. Mathematics education - Wikipedia

    en.wikipedia.org/wiki/Mathematics_education

    Problem-solving is used as a means to build new mathematical knowledge, typically by building on students' prior understandings. Exercises: the reinforcement of mathematical skills by completing large numbers of exercises of a similar type, such as adding simple fractions or solving quadratic equations.

  5. CORDIC - Wikipedia

    en.wikipedia.org/wiki/CORDIC

    CORDIC (coordinate rotation digital computer), Volder's algorithm, Digit-by-digit method, Circular CORDIC (Jack E. Volder), [1] [2] Linear CORDIC, Hyperbolic CORDIC (John Stephen Walther), [3] [4] and Generalized Hyperbolic CORDIC (GH CORDIC) (Yuanyong Luo et al.), [5] [6] is a simple and efficient algorithm to calculate trigonometric functions, hyperbolic functions, square roots ...

  6. ENIAC - Wikipedia

    en.wikipedia.org/wiki/ENIAC

    It was Turing-complete and able to solve "a large class of numerical problems" through reprogramming. [ 5 ] [ 6 ] ENIAC was designed by John Mauchly and J. Presper Eckert to calculate artillery firing tables for the United States Army 's Ballistic Research Laboratory (which later became a part of the Army Research Laboratory ).

  7. Chess - Wikipedia

    en.wikipedia.org/wiki/Chess

    Retrograde analysis problems, in which the solver is required to work out what has previously occurred in the game, for example to prove that castling is illegal in the current position; Fairy chess compositions involve altered rules, such as the use of unconventional pieces or boards, or unusual stipulations such as reflexmates.

  8. Artificial intelligence - Wikipedia

    en.wikipedia.org/wiki/Artificial_intelligence

    Artificial intelligence (AI), in its broadest sense, is intelligence exhibited by machines, particularly computer systems.It is a field of research in computer science that develops and studies methods and software that enable machines to perceive their environment and use learning and intelligence to take actions that maximize their chances of achieving defined goals. [1]

  9. Wikipedia:Reference desk/Archives/Science/May 2006 - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Reference_desk/...

    How do animals obtain water in the winter when water sources are frozen. Some hibernate; that's all I know. Melchoir 01:09, 1 May 2006 (UTC) []. Although this is a very silly question for us Canadians, I actually found a quote: "Studies in Canada have shown some cows have gone 50 to 60 days with snow as the sole water source without any adverse effects.

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