Documentation Publicon Reference Special Characters
Koppa
\[Koppa]
• Aliases: ko, koppa. • Special Greek letter. • Analogous to English q. • Appeared between and in early Greek alphabet; used for Greek numeral 90.• See also: \[CapitalKoppa] , \[Digamma] , \[Stigma] , \[Sampi] .
\[Koppa]
ko
and 
in early Greek alphabet; used for Greek numeral 90.