Romanization of Greek Greek numerals which employed the entire alphabet, including the nonstandard letters digamma, stigma, or sigma-tau (placed between epsilon and zeta), koppa (placed between pi and rho), and sampi (placed after omega). As revised in 2001, ELOT 743 provides for the uncommon characters to be given (in Greek) as $ for stigma, + for koppa, and / for sampi. These symbols are not given lower-case equivalents. When used as numbers, the letters are used in combination with the upper "keraia" numeral sign ⟨ʹ⟩ to denote numbers from 1 to 900 and in combination with the lower "keraia" ⟨͵⟩ to denote multiples
Hazing in Greek letter organizations or new member programs completely secretive. Greek letter organizations have themselves taken measures to prevent hazing within their member chapters. As such, individual national organizations have taken various measures to ensure the safety of members with regard to hazing. The National Panhellenic Conference, which governs 26 national and international women’s sororities, includes sanctions against both individuals and groups ranging from member/chapter probation to expulsion of offending members or revocation of the chapter’s charter. The organization also runs an anti-hazing hotline for anonymous incident reporting. Similarly, the North American Interfraternity Conference released a resolution condemning the practice. In 2010, NIC CEO