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On January 13, 1913, Delta Sigma Theta Sorority, Incorporated was founded by twenty-two women at Howard University.Some of the founders were former members of Alpha Kappa Alpha Sorority who wanted to change the sorority's name, color, symbols and direction.
theta functions; the angle of a scattered photon during a Compton scattering interaction; the angular displacement of a particle rotating about an axis; the Watterson estimator in population genetics; ϑ ("script theta"), the cursive form of theta, often used in handwriting, represents the first Chebyshev function in number theory; Theta role ...
The symbol ϵ (U+03F5) is designated specifically for the lunate form, used as a technical symbol. The symbol ϑ ("script theta") is a cursive form of theta (θ), frequent in handwriting, and used with a specialized meaning as a technical symbol. The symbol ϰ ("kappa symbol") is a cursive form of kappa (κ), used as a technical symbol.
The cursive form ϑ was retained by Unicode as U+03D1 ϑ GREEK THETA SYMBOL, separate from U+03B8 θ GREEK SMALL LETTER THETA. (There is also U+03F4 ϴ GREEK CAPITAL THETA SYMBOL .) For the purpose of writing Greek text, the two can be font variants of a single character, but θ and ϑ are also used as distinct symbols in technical and ...
On January 25, 1948, Delta Sigma Theta, Zeta Phi Beta, Sigma Gamma Rho sororities, and Alpha Phi Alpha and Phi Beta Sigma fraternities were charter members of the ACHR. [51] Kappa Alpha Psi later was included in March 1949. [52] [53] In 1939, Alpha Kappa Alpha was the first sorority to apply for life membership in the NAACP. [54]
The sculpture was unveiled on April 28, 1979 at 3:15pm by members of Delta Sigma Theta, to honor the founders of the service sorority. The sculpture is described as symbolizing "the attributes of strength, courage, hope, wisdom, beauty and femininity as depicted by the 22 founders of Delta Sigma Theta". [2]
Delta (/ ˈ d ɛ l t ə /; [1] uppercase Δ, lowercase δ; Greek: δέλτα, délta, ) [2] is the fourth letter of the Greek alphabet. In the system of Greek numerals it has a value of 4. It was derived from the Phoenician letter dalet 𐤃. [ 3 ]
Sigma Delta: ΣΔ: 1845–1880 Local Yale University: Traditional, Freshmen Inactive [2] Sigma Delta Alpha: ΣΔΑ: 1992 National Independent Latino Excelencia y Lealtad Entre Hermanos (Excellence and Loyalty Amongst Brothers) Active Sigma Delta Rho: ΣΔΡ: 1921 – 1935: National NIC: Traditional Inactive [be] Sigma Iota: ΣΙ: 1904 – 1931 ...