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  2. Circle - Wikipedia

    en.wikipedia.org/wiki/Circle

    This fact was applied by Archimedes to approximate π. A Cartesian oval is a set of points such that a weighted sum of the distances from any of its points to two fixed points (foci) is a constant. An ellipse is the case in which the weights are equal. A circle is an ellipse with an eccentricity of zero, meaning that the two foci coincide with ...

  3. Worksheet - Wikipedia

    en.wikipedia.org/wiki/Worksheet

    The form comes with two worksheets, one to calculate exemptions, and another to calculate the effects of other income (second job, spouse's job). The bottom number in each worksheet is used to fill out two if the lines in the main W4 form. The main form is filed with the employer, and the worksheets are discarded or held by the employee.

  4. Mathematics - Wikipedia

    en.wikipedia.org/wiki/Mathematics

    It is the fact that many mathematical theories (even the "purest") have applications outside their initial object. These applications may be completely outside their initial area of mathematics, and may concern physical phenomena that were completely unknown when the mathematical theory was introduced. [ 126 ]

  5. Pennsylvania System of School Assessment - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania_System_of...

    The PSSA applies to all public schools and districts, including charter schools and cyber charter schools. The questions are based on Common Core Standards and content expectations. The goal is to have 100% of students proficient or above in reading and math by 2014. [6]

  6. Mathematics education in the United States - Wikipedia

    en.wikipedia.org/wiki/Mathematics_education_in...

    Mathematics education in the United States varies considerably from one state to the next, and even within a single state. However, with the adoption of the Common Core Standards in most states and the District of Columbia beginning in 2010, mathematics content across the country has moved into closer agreement for each grade level.

  7. History of mathematics - Wikipedia

    en.wikipedia.org/wiki/History_of_mathematics

    The 3rd century BC is generally regarded as the "Golden Age" of Greek mathematics, with advances in pure mathematics henceforth in relative decline. [74] Nevertheless, in the centuries that followed significant advances were made in applied mathematics, most notably trigonometry , largely to address the needs of astronomers. [ 74 ]

  8. Word problem (mathematics education) - Wikipedia

    en.wikipedia.org/wiki/Word_problem_(mathematics...

    Word problem from the Līlāvatī (12th century), with its English translation and solution. In science education, a word problem is a mathematical exercise (such as in a textbook, worksheet, or exam) where significant background information on the problem is presented in ordinary language rather than in mathematical notation.

  9. Timeline of computational mathematics - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_computational...

    First recorded use of the term "finite element method" by Ray Clough, [23] to describe the methods of Courant, Hrenikoff and Zienkiewicz, among others. See also here. Using computational investigations of the 3-body problem, Minovitch formulates the gravity assist method. [24] [25] Molecular dynamics was invented independently by Aneesur Rahman ...

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