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 if not all, hazing activities take place either during pledge (or “interest”) activities or rituals, which are almost always secretive. Additionally, since many Greek letter organizations, such as those governed by the National Pan-Hellenic Council (NPHC) and the National Association of Latino Fraternal Organizations (NALFO), prohibit their pledges (also known as “interests” or “new members”) from revealing their association with their organization until they have been initiated, it becomes increasingly difficult for institutions to reach out to members in anti-hazing efforts. It also becomes virtually impossible for these pledges or interests to reach out for help, especially if they wish