파일:Greek uc psi.svgDescriptionGreek uc psi.svg English: Uppercase Greek letter Ψ, the 23rd letter of the Greek alphabet: Ψ (U+03A8). Times New Roman font. Date 11 January
파일:Psi-stylized.svgThis image is a derivative work of the following images: File:Psi_uc_lc.svg licensed with PD-ineligible 2007-08-10T23:34:01Z F l a n k e r 3000x2000 (6445
파일:Greek uc psi.pngImage of Greek letter (in Times New Roman) described in filename, black on white 340x400px. Created by User:Saltmarsh — 14-Dec-2005. English
파일:Sigma uc lc.svgEnglish The capital and miniscule forms of sigma, the 18th letter of the Greek alphabet. French Lettre grecque majuscule et minuscule sigma, la 18e lettre
파일:Greek uc omega.svgDescriptionGreek uc omega.svg English: Uppercase Greek letter Ω, the 24th letter of the Greek alphabet: Ω (U+03A9). Times New Roman font. Date 11 January