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  2. How to Solve It - Wikipedia

    en.wikipedia.org/wiki/How_to_Solve_It

    Four principles. How to Solve It suggests the following steps when solving a mathematical problem: First, you have to understand the problem. [ 2 ] After understanding, make a plan. [ 3 ] Carry out the plan. [ 4 ] Look back on your work. [ 5 ]

  3. Quintic function - Wikipedia

    en.wikipedia.org/wiki/Quintic_function

    Finding the roots (zeros) of a given polynomial has been a prominent mathematical problem.. Solving linear, quadratic, cubic and quartic equations in terms of radicals and elementary arithmetic operations on the coefficients can always be done, no matter whether the roots are rational or irrational, real or complex; there are formulas that yield the required solutions.

  4. Quadratic formula - Wikipedia

    en.wikipedia.org/wiki/Quadratic_formula

    Quadratic formula. The roots of the quadratic function y = ⁠ 1 2 ⁠x2 − 3x + ⁠ 5 2 ⁠ are the places where the graph intersects the x -axis, the values x = 1 and x = 5. They can be found via the quadratic formula. In elementary algebra, the quadratic formula is a closed-form expression describing the solutions of a quadratic equation.

  5. Problem solving - Wikipedia

    en.wikipedia.org/wiki/Problem_solving

    Problem solving is the process of achieving a goal by overcoming obstacles, a frequent part of most activities. Problems in need of solutions range from simple personal tasks (e.g. how to turn on an appliance) to complex issues in business and technical fields. The former is an example of simple problem solving (SPS) addressing one issue ...

  6. Algebra - Wikipedia

    en.wikipedia.org/wiki/Algebra

    Algebra is the branch of mathematics that studies algebraic structuresand the operationsthey use.[1] An algebraic structure is a non-empty setof mathematical objects, such as the integers, together with algebraic operations defined on that set, like additionand multiplication. [2][a]Algebra explores the laws, general characteristics, and types ...

  7. Education in the United States - Wikipedia

    en.wikipedia.org/wiki/Education_in_the_United_States

    In the OECD's Programme for International Student Assessment 2003, which emphasizes problem-solving, American 15-year-olds ranked 24th of 38 in mathematics, 19th of 38 in science, 12th of 38 in reading, and 26th of 38 in problem-solving. [104] In the 2006 assessment, the U.S. ranked 35th out of 57 in mathematics and 29th out of 57 in science.

  8. Microsoft Word - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Word

    Microsoft Word is a word processor program developed by Microsoft.It was first released on October 25, 1983, [10] under the name Multi-Tool Word for Xenix systems. [11] [12] [13] Subsequent versions were later written for several other platforms including: IBM PCs running DOS (1983), Apple Macintosh running the Classic Mac OS (1985), AT&T UNIX PC (1985), Atari ST (1988), OS/2 (1989), Microsoft ...

  9. History of algebra - Wikipedia

    en.wikipedia.org/wiki/History_of_algebra

    The word "algebra" is derived from the Arabic word الجبر al-jabr, and this comes from the treatise written in the year 830 by the medieval Persian mathematician, Al-Khwārizmī, whose Arabic title, Kitāb al-muḫtaṣar fī ḥisāb al-ğabr wa-l-muqābala, can be translated as The Compendious Book on Calculation by Completion and Balancing.