Файл:Greek uc sigma.svgDescriptionGreek uc sigma.svg English: Uppercase Greek letter Σ, the 18th letter of the Greek alphabet: Σ (U+03A3). Times New Roman font. Date 11 January
Файл:Sigmaschreibweise für Summen.svgFile:Greek_uc_sigma.svg licensed with Cc-by-sa-3.0-migrated, GFDL 2006-01-12T13:17:53Z Andux 400x500 (953 Bytes) SVG version of [[:Image:Greek uc sigma.png]]
Файл:Sigma uc lc.svgcapital and miniscule forms of sigma, the 18th letter of the Greek alphabet. French Lettre grecque majuscule et minuscule sigma, la 18e lettre de l'alphabet
Файл:Greek uc sigma icon.svgDescriptionGreek uc sigma icon.svg English: Greek uppercase sigma icon Date 24 January 2024 Source Own work Author Mrmw Other versions [edit] Greek lowercase
Файл:Greek uc sigma.pngDescriptionGreek uc sigma.png Image of Greek letter (in Times New Roman) described in filename, black on white Date 14 December 2005 Source Own work Author