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 members or pledges, as part of their hazing rituals. Many educational institutions have developed anti-hazing programs, which encourage alternatives to hazing through the planning of purposeful activities, inform students of how to take action and avoid being a bystander, and provide clear consequences for those students and/or organizations who violate hazing policies . Additionally, hazing has become a central focus of programs designed to help Greek letter organizations become more value congruent through institutionalized standards and expectations . Attempts at preventing hazing have also targeted Greek letter organizations at the national level. note the important role of culture change within