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  2. Elementary algebra - Wikipedia

    en.wikipedia.org/wiki/Elementary_algebra

    Unlike abstract algebra, elementary algebra is not concerned with algebraic structures outside the realm of real and complex numbers. It is typically taught to secondary school students and at introductory college level in the United States, [5] and builds on their understanding of arithmetic. The use of variables to denote quantities allows ...

  3. Mathematics - Wikipedia

    en.wikipedia.org/wiki/Mathematics

    The term algebra is derived from the Arabic word al-jabr meaning 'the reunion of broken parts' that he used for naming one of these methods in the title of his main treatise. [31] [32] Algebra became an area in its own right only with François Viète (1540–1603), who introduced the use of variables for representing unknown or unspecified ...

  4. [18] The Fisher Space Pen was not commissioned by NASA at a cost of millions of dollars, while the Soviets used pencils. It was independently developed by Paul C. Fisher, founder of the Fisher Pen Company, with $1 million of his own funds. [19] NASA tested and approved the pen for space use, then purchased 400 pens at $6 per pen. [20]

  5. Linear algebra - Wikipedia

    en.wikipedia.org/wiki/Linear_algebra

    If, in addition to vector addition and scalar multiplication, there is a bilinear vector product V × V → V, the vector space is called an algebra; for instance, associative algebras are algebras with an associate vector product (like the algebra of square matrices, or the algebra of polynomials).

  6. Standardized test - Wikipedia

    en.wikipedia.org/wiki/Standardized_test

    From Kindergarten to 12th grade, most American students participate in annual standardized tests. The average student takes about 10 of these tests per year (e.g., one or two reading comprehension tests, one or two math tests, a writing test, a science test, etc.). [59]

  7. French language - Wikipedia

    en.wikipedia.org/wiki/French_language

    As of the 2021 Canadian census, it was the native language of 7.7 million people (21% of the population) and the second language of 2.9 million (8% of the population). [ 79 ] [ 80 ] French is the sole official language in the province of Quebec , where some 80% of the population speak it as a native language and 95% are capable of conducting a ...

  8. List of school shootings in the United States (2000–present ...

    en.wikipedia.org/wiki/List_of_school_shootings_in...

    12-year-old seventh-grade student Jose Reyes opened fire with a handgun at the basketball courts of Sparks Middle School, injuring one student in the shoulder. Michael Landsberry, a teacher and veteran, tried to intervene and was killed by Reyes. Reyes also wounded a student trying to help the teacher.

  9. List of Indian inventions and discoveries - Wikipedia

    en.wikipedia.org/wiki/List_of_Indian_inventions...

    AKS primality test – The AKS primality test is a deterministic primality-proving algorithm created and published by three Indian Institute of Technology Kanpur computer scientists, Manindra Agrawal, Neeraj Kayal, and Nitin Saxena on 6 August 2002 in a paper titled PRIMES is in P.

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