Originally Greek was only written with what are today considered capitol letters. The lower case letters are based on handwritten forms developed during the [[Byzantine Empire|Byzantine period]] of [[Greece|Greek]] history.<ref>http://biblaridion.blogspot.com/2005/08/greek-miniscule-script.html</ref> In the case of sigma, the lowercase form varies depending on whether it occurs it occurs at the end of the word (ς). | Originally Greek was only written with what are today considered capitol letters. The lower case letters are based on handwritten forms developed during the [[Byzantine Empire|Byzantine period]] of [[Greece|Greek]] history.<ref>http://biblaridion.blogspot.com/2005/08/greek-miniscule-script.html</ref> In the case of sigma, the lowercase form varies depending on whether it occurs it occurs at the end of the word (ς). |