Current location - Training Enrollment Network - Mathematics courses - How to spell the symbol seigema?
How to spell the symbol seigema?
There are Greek letters in the soft keyboard of Chinese input method. Mathematical symbols can be entered by formula editor or MathType. Sei horse symbols are ∑ and ∑.

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.

Both the с of Cyrillic alphabet and the S of Latin alphabet are derived from Sigma.