An diofar eadar na mùthaidhean a rinneadh air "Sigma"

Content deleted Content added
b robot Modifying: es:Sigma
b robot Adding: wuu:Σ
Loidhne 56:
[[tr:Σ]]
[[uk:Сигма (літера)]]
[[wuu:Σ]]
[[zh:Σ]]
[[zh-yue:Σ]]