Sima is a transliteration of a commonly used symbol in mathematics, which is the Greek letter ∑, while English transliteration is Sima, which represents the sum number in mathematics and is mainly used to find the sum of multiple terms.
"Sima" is a Greek letter, which is also pronounced as "Sima" and "Sima". The symbol is ∑, and the English transliteration is ∑ Sigma, which means sum number in mathematics. It is a common symbol in mathematics, which is mainly used to find the sum of multiple terms.
Sigma (capital σ, lowercase σ) is the18th Greek letter. In Greek, if the last letter of a word is lowercase sigma, it should be written in lowercase sigma. In modern Greece, this number stands for 6.
Capital σ is used for: mathematical summation symbol.
Lowercase σ is used for: a valence bond in chemistry, σ bond.
Mechanical stress.
Statistical standard deviation.
Blackbody radiation constant in heat transfer.
Both the с of Cyrillic alphabet and the S of Latin alphabet are derived from Sigma.