DocumentationMathematicaThe Mathematica BookMathematica Reference GuideListing of Named 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 Section 3.10.3. See also: \[CapitalKoppa] , \[Digamma] , \[Stigma] , \[Sampi] .
\[Koppa]
Aliases: 
ko
and 
in early Greek alphabet; used for Greek numeral 90. 
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