Stigma (letter) sigma form ς never occurs inside a word and is never used as a numeral either. Uppercase forms of stigma as a numeral (Ϛ) are rare in practice; when they occur, they can often be confused with uppercase forms of another numeral symbol, koppa (Ϟϟ), which stands for 90. Stigma is encoded in Unicode as "Greek letter stigma" U+03DA (Ϛ) and "Greek small letter stigma" U+03DB (ϛ). Stigma (letter) Stigma (ϛ) is a ligature of the Greek letters sigma (Σ) and tau (Τ), which was used in writing Greek between the Middle Ages and the 19th century. It is also
Greek letter society effect on youth identity Pacific Islander cultures. Greek letter organizations started in the United States, and have been the most prominently publicized and known within the American culture. Many chapters within the United States have expanded internationally, expanding American culture and prompting new, non-American Greek letter organizations to charter in respective countries. The Philippines has chartered many chapters of Greek letter organizations at their universities. They have both American chapters chartered in their country, as well as new lettered organizations in just their country. These chapters mirror American Greek letter organizations with the cultural importance and competition between chapters. Some of the first chapters