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  2. List of Sigma Chi chapters - Wikipedia

    en.wikipedia.org/wiki/List_of_Sigma_Chi_chapters

    Sigma Chi Rho: 2018 University of Alabama at Birmingham: Birmingham, Alabama: Colony Sigma Chi Sigma: University of Southern Mississippi: Hattiesburg, Mississippi: Colony Sigma Chi Tau: 2019 Westminster College: Fulton, Missouri: Colony Sigma Chi Psi: 2021 Eastern Illinois University: Charleston, Illinois: Colony Sigma Chi Omega: 2022 Stanford ...

  3. Geometric series - Wikipedia

    en.wikipedia.org/wiki/Geometric_series

    The geometric series is an infinite series derived from a special type of sequence called a geometric progression.This means that it is the sum of infinitely many terms of geometric progression: starting from the initial term , and the next one being the initial term multiplied by a constant number known as the common ratio .

  4. List of mathematical series - Wikipedia

    en.wikipedia.org/wiki/List_of_mathematical_series

    An infinite series of any rational function of can be reduced to a finite series of polygamma functions, by use of partial fraction decomposition, [8] as explained here. This fact can also be applied to finite series of rational functions, allowing the result to be computed in constant time even when the series contains a large number of terms.

  5. List of Alpha Phi chapters - Wikipedia

    en.wikipedia.org/wiki/List_of_Alpha_Phi_chapters

    Alpha Phi sorority was established at Syracuse University in 1872. [1] Called a women's fraternity when it was created, it was the fourth Greek-letter organization for women. Collegiate chapters

  6. List of Alpha Sigma Phi chapters, colonies, and interest groups

    en.wikipedia.org/wiki/List_of_Alpha_Sigma_Phi...

    Chapter Chartered date and range Institution Status Reference Alpha: December 6, 1845 – 1864, 1907 – 1942, 2000 – 2003: Yale University: Inactive [a]Beta: June 15, 1850 – 1857, 1911 – 1932

  7. List of Alpha Chi Sigma chapters - Wikipedia

    en.wikipedia.org/wiki/List_of_Alpha_Chi_Sigma...

    Alpha Sigma: 1928–2022 University of Arkansas: Fayetteville, Arkansas: Inactive Alpha Tau: 1928–1971 Tulane University: New Orleans, Louisiana: Inactive Alpha Upsilon: 1928 Michigan State University: East Lansing, Michigan: Active Alpha Phi: 1929–1985; 19xx ?–1995 University of Tennessee: Knoxville, Tennessee: Inactive Alpha Chi: 1929 ...

  8. Geometric progression - Wikipedia

    en.wikipedia.org/wiki/Geometric_progression

    For example, the sequence 2, 6, 18, 54, ... is a geometric progression with a common ratio of 3. Similarly 10, 5, 2.5, 1.25, ... is a geometric sequence with a common ratio of 1/2. Examples of a geometric sequence are powers r k of a fixed non-zero number r, such as 2 k and 3 k. The general form of a geometric sequence is

  9. List of Chi Phi chapters - Wikipedia

    en.wikipedia.org/wiki/List_of_Chi_Phi_chapters

    Chi Phi fraternity was established at Princeton University in 1824. [1] The modern men's collegiate fraternity formed from the merger of their organizations that were each known as Chi Phi. [1] As further explained in the main article, Chi Phi came from the following branches: [1] Chi Phi Society (1824–1825) Princeton Order (1854–1867)