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  2. Greek letters used in mathematics, science, and engineering

    en.wikipedia.org/wiki/Greek_letters_used_in...

    the stack alphabet in the formal definition of a pushdown automaton, or the tape-alphabet in the formal definition of a Turing machine; the Feferman–Schütte ordinal Γ 0; represents: the specific weight of substances; the lower incomplete gamma function; the third angle in a triangle, opposite the side c

  3. Phi Sigma Rho - Wikipedia

    en.wikipedia.org/wiki/Phi_Sigma_Rho

    Phi Sigma Rho was founded on September 24, 1984, at Purdue University by Rashmi Khanna and Abby McDonald. [4] Khanna and McDonald were unable to participate in traditional sorority rush due to the demands of the sororities and their engineering program, so they decided to start a new sorority that would take their academic program's demands into consideration.

  4. List of common physics notations - Wikipedia

    en.wikipedia.org/wiki/List_of_common_physics...

    rho: mass density usually simply called density kilogram per cubic meter (kg/m 3) volume charge density: coulomb per cubic meter (C/m 3) resistivity: ohm meter (Ω⋅m) sigma: summation operator area charge density: coulomb per square meter (C/m 2) electrical conductivity: siemens per meter (S/m) normal stress: pascal (Pa)

  5. Sigma Phi Rho - Wikipedia

    en.wikipedia.org/wiki/Sigma_Phi_Rho

    The Rho Rhoses is the women's auxiliary group for Sigma Phi Rho. The Rho Rhoses was also founded at Wagner College on December 4, 1980. [8] To become a member of Rhoses, there are certain programs in place in order to become a fully blossom, including the Bud program. The Bud program starts the young women who are interested, as Seeds or Rose Buds.

  6. Greek alphabet - Wikipedia

    en.wikipedia.org/wiki/Greek_alphabet

    If a rho was geminated within a word, the first ρ always had the smooth breathing and the second the rough breathing (ῤῥ) leading to the transliteration rrh. The vowel letters α, η, ω carry an additional diacritic in certain words, the so-called iota subscript , which has the shape of a small vertical stroke or a miniature ι below the ...

  7. Rho - Wikipedia

    en.wikipedia.org/wiki/Rho

    Rho (/ ˈ r oʊ /; uppercase Ρ, lowercase ρ or ϱ; Greek: ρο or ρω) is the seventeenth letter of the Greek alphabet. In the system of Greek numerals it has a value of 100. It is derived from Phoenician letter res .

  8. List of Jewish fraternities and sororities - Wikipedia

    en.wikipedia.org/wiki/List_of_Jewish...

    Phi Beta: ΦΒ: 1920 –19xx ? Faternity National 0 Inactive [4] [a] Phi Sigma Beta: ΦΣΒ: June 22, 1910: Fraternity 0 Inactive [18] [b] Phi Sigma Sigma ΦΣΣ: Pi Upsilon Phi: ΠΥΦ: Fraternity National 0 Inactive [19] Sigma Alpha Rho: ΣΑΡ: November 18, 1917: West Philadelphia, Pennsylvania: Fraternity International Active Sigma Theta Pi ...

  9. Electrical resistivity and conductivity - Wikipedia

    en.wikipedia.org/wiki/Electrical_resistivity_and...

    When the resistivity of a material has a directional component, the most general definition of resistivity must be used. It starts from the tensor-vector form of Ohm's law, which relates the electric field inside a material to the electric current flow. This equation is completely general, meaning it is valid in all cases, including those ...