Tiedosto: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
Tiedosto:Sigma uc lc 2.svgDescriptionSigma uc lc 2.svg Español: Letra sigma mayúscula y minúscula (inicial, intermedia y final). Date 15 June 2015 Source Own work Author Miguel
Tiedosto:Sigma uc lc 1.pngFile:Sigma uc lc 2.svg is a vector version of this file. It should be used in place of this PNG file when not inferior. File:Sigma uc lc 1.png → File:Sigma
Tiedosto:Greek sigma.pngFile:Sigma uc lc.svg is a vector version of this file. It should be used in place of this PNG file when not inferior. File:Greek sigma.png → File:Sigma uc
Tiedosto:Zeta uc lc.svgDescriptionZeta uc lc.svg English: Uppercase and lowercase Greek letter zeta, the 6th letter of the Greek alphabet. Times New Roman font. Date 3 January