Sigma
E514349
Sigma is a Greek letter commonly used in mathematics, science, and engineering to denote summation, standard deviation, and various other concepts.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Greek letter
ⓘ
letter of the Greek alphabet ⓘ |
| belongsTo | Greek script ⓘ |
| denotes |
Pauli matrices (σx, σy, σz)
NERFINISHED
ⓘ
Stefan–Boltzmann constant (σ) NERFINISHED ⓘ Weierstrass sigma function (σ) NERFINISHED ⓘ alphabet in formal language theory (Σ) ⓘ covariance matrix (uppercase Σ) ⓘ cross section in physics ⓘ electrical conductivity (σ) ⓘ normal distribution standard deviation (σ) ⓘ normal stress (σ) ⓘ sigma bond in chemistry (σ bond) ⓘ sigma notation for series (Σ) ⓘ sigma-algebra in measure theory (σ) ⓘ standard deviation ⓘ stress (mechanics) ⓘ sum of divisors function in number theory (σ) ⓘ summation ⓘ surface charge density ⓘ |
| hasAlphabetPosition | 18 ⓘ |
| hasFinalLowercaseForm | ς ⓘ |
| hasLowercaseForm | σ ⓘ |
| hasNameInGreek | Σίγμα NERFINISHED ⓘ |
| hasPhoneticValue | /s/ ⓘ |
| hasUnicodeCodePoint |
U+03A3
ⓘ
U+03C2 ⓘ U+03C3 ⓘ |
| hasUppercaseForm | Σ ⓘ |
| relatedTo |
Cyrillic letter С
ⓘ
Latin letter S ⓘ |
| scriptVariant |
𝚺
ⓘ
𝛔 ⓘ 𝛴 ⓘ 𝜮 ⓘ 𝝈 ⓘ 𝝨 ⓘ 𝞂 ⓘ 𝞢 ⓘ 𝞼 ⓘ |
| transliteratedAs | S ⓘ |
| usedIn |
computer science
ⓘ
engineering ⓘ mathematics ⓘ physics ⓘ statistics ⓘ |
| writingSystem | Greek alphabet ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.