Meaning and Translation of Sigma in Urdu Script and Roman Urdu with Wikipedia Reference, Image,
| sigma | yonani harf x jo s ki aawaz deta hai | يوناني حرف ايکس جو ايس کي آواز ديتا ہے |
Sigma (upper-case Σ, lower-case σ, lower-case in word-final position ς; Greek: σίγμα) is the eighteenth letter of the Greek alphabet. |
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